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Code
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Explanation
& Check Points
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Ch
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Compressor
Starting Delay - Crankcase heater initiated
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"P0"
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System
down due to high temperature discharge sensor
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"P1"
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System
down due to the high temperature of condenser
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"P2"
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Sump
Comp Down
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"P3"
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System
down due to the lower temperature switch detection
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"P4"
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System
Start down due to reverse phase of the 3 phase
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"P5"
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System
down due to frozen heat exchanger
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"P6"
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Error
of momentary power failure (disappears when unit is off/on)
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"P7"
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Compressor
down due to protection control of high pressure sensor
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"P8"
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Compressor
down due to protection control of low pressure sensor
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"P9"
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Problem
removing frost
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"PA"
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Compressor
down due to protection control of condensation ratio
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"t1"
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Error
of OUT TEMP sensor (OPEN/SHORT)
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"t2"
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Error
of COND TEMP sensor (Open/short)
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"t3"
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Error
of PWM Discharge TEMP sensor (Open/Short)
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"t4"
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Error
of liquid refrigerant pipe (cond out) Temp (Open/short)
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"t5"
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Error
of OIL TEMP sensor (Open/Short)
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"t6"
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Error
of Suction temp sensor (Open/Short)
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"t7"
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Error
of high pressure sensor (Open/Short)
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"t8"
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Error
of low pressure sensor (Open/Short)
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"t9"
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Error
of fixed compressor discharge sensor (Open/Short)
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"E1"
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System
down due to the communication error after completion of tracking
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"E2"
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Mismatching
of the numbers of set indoor units to actual indoor units
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"E3"
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Indoor
Unit float switch error
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"E5"
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Setting
error of option switch in indoor unit
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"Ax"
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Indoor
Unit EVAP IN sensor breakaway
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"bx"
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Indoor
Unit EVAP Out Sensor breakaway
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"Cx"
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Electronic
expansion valve open error
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"dx"
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Electronic
expansion valve close error
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"fx"
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Simultaneous
breakaway of indoor unit EVAP IN and EVAP OUT sensor
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"G2"
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Total
Leakage of Refrigerant in outdoor unit/Loading Failure
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"G3"
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Breakaway
of COND MID sensor in outdoor unit
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"G6"
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Breakaway
of OIL temperature sensor (Detected once or more times)
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"G7"
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Breakaway
of suction sensor
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"GC"
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Breakaway
of load compressor discharge sensor
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"9x"
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OPEN/SHORT
error of room sensor in indoor unit
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"rx"
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OPEN/SHORT
of EVAP IN sensor in indoor unit
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"yx"
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OPEN/SHORT
of EVAP OUT sensor in indoor unit
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"ux"
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Error
of fan setting
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"tU"
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Outdoor
temperature being below -5 Deg. C when cooling mode
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"to"
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Outdoor
temperature being over 30 Deg. C when in heating mode
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E101
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Communication
Error between the indoor unit and the Panel
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E121
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Indoor
unit room temp. sensor open/short Error
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E122
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Indoor
Unit EVAP IN sensor open/short error
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E123
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Indoor
Unit EVAP OUT sensor open/short error
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E128
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Indoor
Unit EVAP In sensor breakaway
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E129
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Indoor
Unit EVAP Out sensor breakaway
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E130
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Simultaneous
breakaway of indoor unit EVAP IN/OUT Sensor
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E131
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Auxiliary
(electric) heater sensor 1 error
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E132
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Auxiliary
(electric) heater sensor 2 error
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E133
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Auxiliary
(electric) heater sensor 3 error
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E134
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Shutter
sensor error
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E135
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Perfect
fan sensor Error
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E140
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MCU
temp. sensor open/short
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E151
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Indoor
unit EEV open failure
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E152
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Indoor
unit EEV close failure
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E153
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Indoor
unit float S/W detection
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E154
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Indoor
fan error
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E161
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Mixed
Operation error (operate heat & cool mode at same time)
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E162
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EPROM
Error
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E163
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Option
setting error
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E165
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Electric
heater discharge temperature protect error
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E166
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No
fan error related to the electric heater
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E167
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S/W
setup error in peripheral control device using option
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E180
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The
1st MCU SOL V/V cooling heating opening at the same time
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E181
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The
2nd MCU SOL V/V cooling heating opening at the same time
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E182
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The
2nd MCU SOL V/V error
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E190
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There
is no change of EVAP in temperature during the piping check
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E191
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There
is no change of EVAP OUT temperature during the piping check
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E192
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EVAP
IN temperature error during the piping check
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E193
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EVAP
OUT temperature error during the piping check
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E201
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Installed
indoor unit number setting error
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E202
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Communication
Error between indoor and outdoor unit
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E203
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Outdoor
PCB micom communication error between main and sub
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E210
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Communication
error between the outdoor unit and MCU
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E211
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Indoor
unit connected with confluence kit without continuity
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E212
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Confluence
kit and setting address error
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E213
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MCU
Address do not match with the indoor unit address
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E214
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Installed
MCU quantity set-up error in the outdoor PCB
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E215
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Indoor
unit address in MCU error
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E216
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DIP
switch for indoor unit setting in MCU set ON error
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E217
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Dip
switch for indoor unit setting in MC set OFF error
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E221
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OUT-TEMP
sensor OPEN/SHORT sensor error
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E226
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Out-Temp
sensor breakaway
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E231
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COND-OUT
MAIN TEMP sensor error OPEN/SHORT
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E236
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COND-OUT
MAIN TEMP sensor error OPEN/SHORT
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E241
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COND-MID
sensor breakaway of outdoor unit
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E246
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COND-OUT
1 breakaway
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E251
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PWM
DISCHARGE TEMP sensor error OPEN/SHORT
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E256
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Fixed
capacity compressor 1 DCHRG sensor error OPEN/SHORT
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E257
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Fixed
capacity compressor 2 DCHRG sensor error OPEN/SHORT
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E258
|
Fixed
capacity compressor 3 DCHRG sensor error OPEN/SHORT
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E261
|
Digital
discharge sensor breakaway
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E262
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Fixed
1 discharge sensor breakaway
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E263
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Fixed
2 discharge sensor breakaway
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E264
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Fixed
3 discharge sensor breakaway
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E265
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Sump-main
breakaway error
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E266
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Sump
Sub 1 breakaway error
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E267
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Sump
Sub 2 breakaway error
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E268
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Sump
Sub 3 breakaway error
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E269
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Suction
breakaway error
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E271
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SUMP
TEMP DIGITAL sensor error OPEN/SHORT
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E276
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SUMP
TEMP FIXED 1 sensor error OPEN/SHORT
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E277
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SUMP
TEMP FIXED 2 sensor error OPEN/SHORT
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E278
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SUMP
TEMP FIXED 3 sensor error OPEN/SHORT
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E291
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High
pressure sensor error OPEN/SHORT
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E296
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Low
pressure sensor error OPEN/SHORT
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E301
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High
Pressure Sensor Breakaway
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E306
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Low
Pressure Sensor Breakaway
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E308
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Suction
Temp. Sensor ERROR (OPEN/SHORT)
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E312
|
Main
Cooling sol. v/v open error
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E313
|
4-Way
v/v operation error
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E401
|
Outdoor
unit freezing detection 1
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E402
|
Outdoor
unit freezing detection 2
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E403
|
Outdoor
unit freezing detection 3 - freezing COMP DOWN
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E404
|
Outdoor
unit overload 1 protection control error
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E405
|
Outdoor
unit overload 2 protection control error
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E406
|
Outdoor
unit overload 3 protection control error
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E407
|
Compressor
down by high pressire sensor protection control 1
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E408
|
Compressor
down by high pressire sensor protection control 2
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E409
|
Compressor
down by high pressire sensor protection control 3
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E410
|
Compressor
down by low pressure sensor protection control 1
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E411
|
Compressor
down by low pressure sensor protection control 2
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E412
|
Compressor
down by low pressure sensor protection control 3
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E413
|
Outdoor
unit SUMP DOWN 1 protection control
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E414
|
Outdoor
unit SUMP DOWN 2 protection control
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E415
|
Outdoor
unit SUMP DOWN 3 protection control
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E416
|
Outdoor
unit discharge temperature 1 protection control
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E417
|
Outdoor
unit discharge temperature 2 protection control
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E418
|
Outdoor
unit discharge temperature 3 protection control
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E419
|
Outdoor
unit EEV open 1 self diagnosis error
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E420
|
Outdoor
unit EEV open 2 self diagnosis error
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E421
|
Outdoor
unit EEV open 3 self diagnosis error
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E422
|
Outdoor
unit EEV close 1 self diagnosis error
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E423
|
Outdoor
unit EEV close 2 self diagnosis error
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E424
|
Outdoor
unit EEV close 3 self diagnosis error
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E425
|
Outdoor
unit reverse phase detection 1 error
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E426
|
Outdoor
unit reverse phase detection 2 error
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E427
|
Outdoor
unit reverse phase detection 3 error
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E428
|
Outdoor
unit compression rate 1 error
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E429
|
Outdoor
unit compression rate 2 error
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E430
|
Outdoor
unit compression rate 3 error
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E440
|
Forbid
heating mode operation when outdoor temperature over 30 Deg. C
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E441
|
Forbid
cooling mode operation when outdoor temperature below -5 Deg. C
|
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E442
|
Refrigerant
charding error in the heating mode
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E452
|
Instant
Power off (dissapear when compresson run)
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E551
|
Defrosting
operation
|
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E552
|
Low
Discharge Pressure
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E553
|
Eqability
Operation
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E554
|
Loading
Failure Full leakage of refrigerant of outdoor unit
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E601
|
Communication
error between wired remote controller and indoor unit
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E602
|
Communication
error between master and slave wired remote controller
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E603
|
Communication
error between 7 day scheduler and wired remote controller
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E701
|
Float
S/W detection error
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E702
|
Indoor
unit EEV closing error
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E703
|
Indoor
unit EEV opening error
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E704
|
MCU
Sol v/v failure
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