6-15
Alarm
Content
Possible cause/checkpoint
E603
Disconnection of suction modulating valve (SMV) or faulty
driving circuit or wrong setting of controller
Malfunctioned equipment
・
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
E707
Momentary power failure
The power is not supplied for 40 to 300 mm sec.
E807
Opened lower ventilator
The lower 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
System malfunctioned
・
Faulty controller
Faulty operation
・
Wrong initial setting of controller
Faulty operation
・
Wrong initial setup of controller
Faulty short-circuit of CPU
06̲LXE10E-A(1-27) 07.2.23 3:11 PM ページ 6-15
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