Veco S
Installation Manual –Page 17 / 20
disconnected
AL54
Temperature sensor B2 error
compressor 1
Auto
60 sec OFF compressor
Temp. Probe B2 (antifreeze) faulty or
disconnected
AL55
Temperature sensor B2 error
compressor 2
Auto
60 sec OFF compressor
AL56
Temperature sensor B2 error
compressor 3
Auto
60 sec OFF compressor
AL57
Temperature sensor B2 error
compressor 4
Auto
60 sec OFF compressor
AL58
Temperature sensor B3 error
compressor 1
Auto
60 sec OFF compressor
Temp. Probe B3 (suction temperature)
faulty or disconnected
AL59
Temperature sensor B3 error
compressor 2
Auto
60 sec OFF compressor
AL60
Temperature sensor B3 error
compressor 3
Auto
60 sec OFF compressor
AL61
Temperature sensor B3 error
compressor 4
Auto
60 sec OFF compressor
AL62
Temperature sensor B4 error
compressor 1
Auto
60 sec OFF compressor
Temp. Probe B4 (discharge
temperature) faulty or disconnected
AL63
Temperature sensor B4 error
compressor 2
Auto
60 sec OFF compressor
AL64
Temperature sensor B4 error
compressor 3
Auto
60 sec OFF compressor
AL65
Temperature sensor B4 error
compressor 4
Auto
60 sec OFF compressor
AL66
Temperature sensor B5 error
compressor 1
Auto
60 sec OFF compressor
NOT USED
AL67
Temperature sensor B6 error
compressor 1
Auto
60 sec OFF compressor
Pressure Probe B6 (suction pressure)
faulty or disconnected
AL68
Temperature sensor B6 error
compressor 2
Auto
60 sec OFF compressor
AL69
Temperature sensor B6 error
compressor 3
Auto
60 sec OFF compressor
AL70
Temperature sensor B6 error
compressor 4
Auto
60 sec OFF compressor
AL71
Temperature sensor B7 error
compressor 1
Auto
60 sec OFF compressor
Pressure Probe B7 (discharge pressure)
faulty or disconnected
AL72
Temperature sensor B7 error
compressor 2
Auto
60 sec OFF compressor
AL73
Temperature sensor B7 error
compressor 3
Auto
60 sec OFF compressor
AL74
Temperature sensor B7 error
compressor 4
Auto
60 sec OFF compressor
AL75 Defrost end by max time compressor 1
Auto
Lock defrost
Defrost ended by max time duration -
NOT USED
AL76 Defrost end by max time compressor 2
Auto
Lock defrost
AL77 Defrost end by max time compressor 3
Auto
Lock defrost
AL78 Defrost end by max time compressor 4
Auto
Lock defrost
AL79 BMS offline heartbit
Auto
AL80
Auto
AL81
Compressor 1 not started by excessive
delta P
Auto
300 sec OFF compressor
Start fail due to high DeltaP
AL82
Compressor 2 not started by excessive
delta P
Auto
300 sec OFF compressor
AL83
Compressor 3 not started by excessive
delta P
Auto
300 sec OFF compressor
AL84
Compressor 4 not started by excessive
delta P
Auto
300 sec OFF compressor
AL85 Antifreeze alarm compressor 1
Manual
0 sec
OFF compressor
Anti freeze temp.probe out of allowed
range
AL86 Antifreeze alarm compressor 2
Manual
0 sec
OFF compressor
AL87 Antifreeze alarm compressor 3
Manual
0 sec
OFF compressor
