2-20
●E Alarm
Diagnosis
Alarm
code
Alarm content Controller action
001 E101 HPS activates during operation
Restart after 3 min.
101 E105 Compressor over current at startup (>51A)
Restart after 3 min.
011 E107 DCHS1 or DCHS2 becomes 130 ℃ or more for 10 minutes or 145
℃ or more.
Restart after 3 min.
002 E109 LPT remains at -70kPa or lower during operation
Restart after 3 min.
010 E115 Condenser fan motor internal thermostat activated
Restart after 3 min.
011 E201 Pumpdown is not completed in rated time.
Alarm display only
013 E202 Automatic pumpdown failure
Alarm display only
014 E203 Overcooling Protection
Restart after 3 min.
014 E207 Defrost is not completed in 90 min.
Alarm display only
003 E303 Humidity setting requirement (during dehumidification operation)
Alarm display only
015 E304 Reheat Coil Setting Error
Alarm display only
003 E305 Defrost interval setting requirement
Alarm display only
003 E307 Calendar setting requirement
Alarm display only
003 E311 Trip start setting requirement
Alarm display only
016 E401 Supply air temperature sensor (SS) failure
Backup operation
016 E402 Data recorder supply air temperature sensor (DSS) failure
Backup operation
016 E403 Return air temperature sensor (RS) failure
Backup operation
016 E404 Data recorder return air temperature sensor (DRS) failure
Backup operation
017 E405 Discharge gas temperature sensor (DCHS1) failure
Backup operation
018 E406 Suction gas temperature sensor (SGS) failure
Backup operation
018 E407 Evaporator inlet temperature sensor (EIS) failure
Backup operation
018 E409 Evaporator outlet temperature sensor (EOS) failure
Backup operation
018 E411 Ambient temperature sensor (AMBS) failure
Alarm display only
019 E413 Low pressure transducer (LPT) failure
Backup operation
019 E415 High pressure transducer (HPT) failure
Backup operation
020 E417 Power voltage sensor (PT) failure
Alarm display only
021 E419 Current sensor (CT) failure
Alarm display only
022 E425 USDA #1 sensor failure
Alarm display only
022 E427 USDA #2 sensor failure
Alarm display only
022 E429 USDA #3 sensor failure
Alarm display only
023 E431 Humidity sensor (HuS) failure
Alarm display only
022 E433 Cargo temperature sensor (CTS) failure
Alarm display only
018 E435 Economizer inlet temperature sensor (ECIS) failure
Backup operation
018 E437 Economizer outlet temperature sensor (ECOS) failure
Backup operation
017 E439 Discharge gas temperature sensor (DCHS2) failure
Backup operation
024 E607 Sheet key fault (Status of the key being kept pressed lasted at
least one minute.)
Alarm display only
005 E701 Abnormal power voltage is detected during operation.
(≧530V or ≦300V)
Restart after 3 min.
One of R, S or T phase missing during operation
025 E707 Instantaneous power shut down during operation
Restart after 3 min.
026 E801 Back-up battery failure
Alarm display only
027 E805 Ventilator opening FA sensor failure
Alarm display only
028 E807 Ventilator FA opens during frozen operation
Alarm display only
009 E809 Refrigerant shortage
Restart after 3 min.
029 E903 Communication error between CPU board and operation board
Alarm display only