Operating and service manual
58 of 222 pages
304
AirEx short
Air Exchange Sensor Short Circuit
Not implemented yet
Warning
305
AirEx invalid
Air Exchange Sensor Invalid.
Not implemented yet
Warning
306
High press switch
High pressure switch is active
Warning
4. Power alarms
400
Mevap 1 over heat
Evaporator Motor 1 overheat
Warning
401
Mevap 2 over heat
Evaporator Motor 2 overheat
Warning
402
Mcond over heat
Condenser Motor overheat
Warning
411
Unit over current
Unit overcurrent
Log
414
U1-2 over voltage
U1-2 overvoltage
Fatal Alarm
415
U2-3 over voltage
U2-3 overvoltage
Fatal Alarm
416
U1-3 over voltage
U1-3 overvoltage
Fatal Alarm
417
U1-2 under voltage
U1-2 undervoltage
Warning
418
U2-3 under voltage
U2-3 undervoltage
Warning
419
U1-3 under voltage
U1-3 undervoltage
Warning
420
I1 over current
I1 overcurrent
Log
421
I2 over current
I2 overcurrent
Log
422
I3 over current
I3 overcurrent
Log
423
No phase direction
Phase Direction Not Detectable
Fatal alarm
425
Frequency too high
Power Frequency too high
Warning
426
Frequency too high
Power Frequency too high
Alarm
427
U/f ratio low
Bad power supply - over loaded / under supplied
Alarm
428
U/f ratio high
Bad power supply - voltage regulation out of order
Alarm
429
U/f ratio
Bad power supply
Fatal alarm
430
Cpr connection
Power Cable From FC to Compressor Faulty
Alarm
5. FC alarms
500
FC missing
Frequency Communication Missing
Fatal alarm
501
FC local control
FC Local Mode Fault
Alarm
508
FC short circ
FC Short Circuit Fault Alarm
Alarm
509
FC 24 V fault
FC Internal 24 V Supply Fault Alarm
Alarm
510
FC earth fault
FC Earth Fault Alarm
Alarm
511
FC over cur
FC Overcurrent Fault Alarm
Alarm
512
FC motor therm
FC Compressor Motor Over temperature
Alarm
513
FC overload
FC Overload Fault Alarm
Alarm
514
FC under volt
FC Voltage Low Fault Alarm
Alarm
515
FC over volt
FC Voltage High Fault Alarm
Alarm
516
FC phase loss
FC Phase Loss Fault Alarm
Alarm
517
FC over temp
FC Over temperature Fault Alarm
Alarm
518
FC inrush
FC Inrush Fault Alarm
Alarm
521
FC high volt
FC High Voltage Fault Warning
Warning
522
FC high temp
FC Over temperature Fault Warning
Warning
523
FC phase loss
FC Phase Loss Fault Warning
Warning
524
FC current limit
FC Current Limit Fault Warning
Warning
525
FC overload
FC Overload Fault Warning
Warning
529
FC setup error
FC Setup Fault Warning
Warning
566
FC undefined alarm
FC Undefined Alarm
Warning
599
FC Trip Lock
FC has tripped and stopped
Log