Mitsubishi Heavy Industries FDT100VF User Manual

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'12 • PAC-T-173
1.12.2 Troubleshooting flow
(1) List of troubles
a) FDT, FDTC, FDEN, FDU, FDUM, FDF series
Remote controller display Description of trouble Reference page
None Operates but does not cool. 365
None Operates but does not heat. 366
None Earth leakage breaker activated 367
None Excessive noise/vibration (1/3) 368
None Excessive noise/vibration (2/3) 369
None Excessive noise/vibration (3/3) 370
None Louver motor failure (FDT, FDTC, FDEN, FDF series) 371
None Power supply system error (Power supply to indoor control PCB) 372
None Power supply system error (Power supply to remote controller) 373
INSPECT I/U INSPECT I/U (When 1 or 2 remote controllers are connected) 374
INSPECT I/U INSPECT I/U (Connection of 3 units or more remote controllers) 375
WAIT
Communication error at initial operation (Models SRC40-60 only) 376‐378
WAIT
Communication error at initial operation (Models FDC71-140 only) 379‐381
None No display 382
E1 Remote controller communication circuit error 383
E5 Communication error during operation 384
E6 Indoor heat exchanger temperature thermistor anomaly 385
E7 Return air temperature thermistor anomaly 386
E8 Heating overload operation 387
E9 Drain trouble 388
E10 Excessive number of connected indoor units (more than 17 units) by controlling with one remote controller 389
E14 Communication error between master and slave indoor units 390
E16 Indoor fan motor anomaly 391
E18 Address setting error of moster and slave indoor unit 392
E19 Indoor unit operation check, drain motor check setting error 393
E20 Indoor fan motor rotation speed anomaly 394
E21 Defective panel switch operation (FDT only) 395
E28 Remote controller temperature thermistor anomaly 396
E35 Cooling overload operation (Models SRC40-60 only) 397
E35 Cooling overload operation (Models FDC71-140 only) 398
E36 Discharge pipe temperature error 399
E37 Outdoor heat exchanger temperature thermistor anomaly 400
E38 Outdoor air temperature thermistor anomaly 401
E39 Discharge pipe temperature thermistor anomaly 402
E40 High pressure error (63H1 activated) (Models FDC71-140 only) 403
E41 Power transistor overheat (Models FDC71-140 only) 404
E42 Current cut 405・406
E45 Communication error between inverter PCB and outdoor control PCB (Models FDC71-140 only) 407
E47 Inverter over-current error (Models SRC40-60 only) 408
E47 Inverter PCB A/F module anomaly (Model FDC71 only) 409
E48 Outdoor fan motor anomaly (Models SRC40-60 only) 410
E48 Outdoor fan motor anomaly (Models FDC71-140 only) 411
E49 Low pressure error or low pressure sensor anomaly (Models FDC71-140 only) 412・413
E51 Power transistor anomaly (Models SRC40-60 only) 414
E51 Inverter and fan motor anomaly (Models FDC71-140 only) 415
E53 Suction pipe temperature thermistor anomaly (Models FDC71-140 only) 416
E54 Low pressure sensor anomaly (Models FDC71-140 only) 417
E57 Insufficient refrigerant amount or detection of service valve closure (Models SRC40-60 only) 418
E57 Insufficient refrigerant amount or detection of service valve closure (Models FDC71-140 only) 419
E58 Current safe stop (Models SRC40-60 only) 420
E59 Compressor startup failure (Models SRC40-60 only) 421
E59 Compressor startup failure (Models FDC71-140 only) 422・423
E60 Anomalous compressor rotor lock (Models SRC40-60 only) 424

Mitsubishi Heavy Industries FDT100VF Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDT100VF
Category	Air Conditioner
Language	English