6-15
Alarm Content Possible cause/checkpoint
E603
・SMV (MV) operation malfunction
・EV connection malfunction
SMV operation malfunction
・Faulty controller
・Faulty SMV coil
・Faulty PCB for SMV
・Broken wire of harness (disconnection of connector)
E607 Faulty contact point of manual defrost key (sheet key) Faulty short-circuit of switch
E801 Exhausted battery of the CPU board Replacement of the battery requested
・Exhausted battery of the CPU board
E807 Opened ventilator The ventilator is opened during frozen operation
E401
E402
E403
E404
E405
E406
E407
E409
E411
E413
E415
E419
E425
E427
E429
E431
E433
Supply air temperature sensor (SS) fault
Data recorder supply air temperature sensor (DSS) fault
Return air temperature sensor (RS) fault
Data recorder return air temperature sensor (DRS) fault
Discharge pipe temperature sensor (DCHS) fault
Suction gas temperature sensor (SGS) fault
Evaporator inlet pipe temperature sensor (EIS) fault
Evaporator outlet pipe temperature sensor (EOS) fault
Ambient temperature sensor (AMBS) fault
Low pressure transducer (LPT) fault
High pressure transducer (HPT) fault
Voltage sensor (PT2) fault
Pulp temperature sensor (USDA1) fault
Pulp temperature sensor (USDA2) fault
Pulp temperature sensor (USDA3) fault
Humidity sensor (Hus) fault
Carge temperature sensor (STS) fault
System malfunction
・Faulty sensor
・Faulty controller
・Broken or short-circuited lead wire
・Wrong wiring
・Disconnection of connector
E417
E421
E423
Voltage sensor (PT1) fault
Current sensor (CT1) fault
Current sensor (CT2) fault
Malfunctioned equipment
・Faulty sensor
・Faulty controller
・Broken or short-circuited lead wire
・Wrong wiring
・Disconnection of connector
E303
E305
E307
E311
Humidity setting request
Defrost timer setting request
Calendar setting request
Trip start setting request
Eqiupment malfunctioned
・Faulty controller
Replacement of the PT/CT board requested
・There is no input from the PT/CT board.
EV connection malfunction
・EV wire or harness disconnection
・EV connector disconnection
Faulty short-circuit of CPU
E805 A failure in the FA sensor If the FA setting is other than "OFF", the FA sensor is
abnormal.
Faulty operation
・Wrong initial setting of controller
E315 A failure in the PT/CT board
E707 Instantaneous voltage failure shutdown The power is not supplied for 40 to 300 mm sec.
06LXE10E100以降(1-26)E.qx08.8.1310:35AMページ6-15
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