24
Troubleshooting
English
Troubl
eshooting
Troubleshooting of error code
Troubleshooting
Troubleshooting
Display
Explanation
Error Source
E108
Setting Address Duplicate Error
OUTDOOR UNIT/
Hydro Unit
E120
Zone2 Indoor Room Temperature Sensor
Short/Open
Hydro Unit
E121
Error of ROOM Temperature Sensor in
Indoor unit short/open
Hydro Unit
E122
Error of Evaporator_in Sensor of Indoor
unit short/open
Hydro Unit
E123
Error of Evaporator_out Sensor of Indoor
unit short/open
Hydro Unit
E162
Outdoor UNIT EEPROM Error
OUTDOOR UNIT
E163
EEPROM OPTION SETTING Error
OUTDOOR UNIT
E177
In hydro box, take place emerency signal
Error
Hydro Unit
E201
CONTROL KIT / Outdoor UNIT
Communication Error (Matching Error)
OUTDOOR UNIT
E202
CONTROL KIT / Outdoor UNIT
Communication Error
OUTDOOR UNIT
E205
Communication Error Between Outdoor
Unit Inv Micom - Fan Motor Micom
OUTDOOR UNIT
E221
Outdoor Temperature Sensor Error
(open/short)
OUTDOOR UNIT
E231
COND_OUT Main Temperature Sensor
Error (open/short)
OUTDOOR UNIT
E241
COND OUT Sensor of Outdoor Unit
breakaway Error
OUTDOOR UNIT
E251
Discharge Temperature Sensor Error
(open/short)
OUTDOOR UNIT
E262
Discharge Sensor breakaway Error
OUTDOOR UNIT
E266
Comp Top Sensor breakaway Error
OUTDOOR UNIT
E269
SUCTION Sensor breakaway Error
OUTDOOR UNIT
E276
Compressor Top Temperature Sensor
Error (open/short)
OUTDOOR UNIT
E291
High Pressure Sensor Error (open/short)
OUTDOOR UNIT
E296
Low Pressure Sensor Error (open/short)
OUTDOOR UNIT
E308
Suction Sensor Error (open/short)
OUTDOOR UNIT
E403
Protect for Freezing Control Error
OUTDOOR UNIT
E407
COMP down due to High PressureSensor
Protection Control
OUTDOOR UNIT
E410
COMP down due to Low PressureSensor
Protection Control
OUTDOOR UNIT
E416
Comp down due to discharge
Temperature
OUTDOOR UNIT
E425
Outdoor Reverse Phase or Missing Phase
Detect Error
OUTDOOR UNIT
E428
COMP down by Compression Ratio
control Error
OUTDOOR UNIT
E436
Protect for Freezing Burst Control Error
OUTDOOR UNIT
E438
EVI EEV Opening Error
OUTDOOR UNIT
E439
Refrigerant Leakage Error (Detect when
the system is not operated)
OUTDOOR UNIT
E440
Forbid Heat mode Operation when
Outdoor Temperature is over 43 °C
OUTDOOR UNIT
E441
Forbid Cooling Mode when Outdoor
Temperature is Low 10 ℃
OUTDOOR UNIT
Display
Explanation
Error Source
E443
No startup due to Low pressure
OUTDOOR UNIT
E458
Outdoor unit Fan Error
OUTDOOR UNIT
E461
[Inverter] COMP Operating failure
OUTDOOR UNIT
E462
All currency control COMP Stop Or CT2
Low currency
OUTDOOR UNIT
E464
[Inverter] DC peak Error
OUTDOOR UNIT
E465
Compressor V limit Error
OUTDOOR UNIT
E466
[Inverter] DC-Link voltage under/over
Error
OUTDOOR UNIT
E467
COMP Revolute Error
OUTDOOR UNIT
E468
[Inverter] Comp Current Sensor Error
OUTDOOR UNIT
E469
DC Link Sensor Error
OUTDOOR UNIT
E471
[Inverter] OTP Error → Outdoor unit
EEPROM Read/Write Error (OTP error)
OUTDOOR UNIT
E474
[Inverter] IPM Heat Sink Error
OUTDOOR UNIT
E475
Outdoor unit BLDC Fan Error
OUTDOOR UNIT
E483
H/W DC_link over voltage Error
OUTDOOR UNIT
E484
PFC Overload Error
OUTDOOR UNIT
E485
[Inverter] Input Current Sensor Error
(open/short)
OUTDOOR UNIT
E488
AC Input Voltage Sensor Error
OUTDOOR UNIT
E500
IPM Overheat Error for Inverter COMP
OUTDOOR UNIT
E507
Comp Down due to high pressure or High
Pressure Switch Open
OUTDOOR UNIT
E536
PHE refrigerant leakage error
Outdoor unit
E554
Refrigerant leakage error (detection
during system operation)
Outdoor unit
E563
INDOOR UNIT Mixed Install Error
OUTDOOR UNIT
E590
[Inverter] Data flash Error
OUTDOOR UNIT
E897
Water Tank in sensor error(Short/Open)
Indoor unit
E899
Zone1 Tw Temperature Sensor Short/
Open
Hydro Unit
E900
Zone2 Tw Temperature Sensor Short/
Open
Hydro Unit
E901
Water Inlet Sensor Error (open/short)
OUTDOOR UNIT
E902
Water Outlet Sensor Error (open/short)
OUTDOOR UNIT
E904
Water TANK Sensor SHORT / OPEN
Hydro Unit
E906
Outdoor EVA in Sensor Error (open/short)
OUTDOOR UNIT
E910
Water Temperature Sensor on water
Outlet pipe is datached
Hydro Unit
E911
FLow Swtich Open Error
Hydro Unit
E912
FLow Swtich Close Error
Hydro Unit
E914
Error due to Incorrect Themostat
Connection
Hydro Unit
E916
Mixing Sensor Short/Open
Hydro Unit
E919
Disinfection Operation Incomplete Error
Hydro Unit
E973
Water pressure sensor research (Short/
Open)
Outdoor unit
Summary of Contents for AE CXYD Series
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