SystemAir Topvex SoftCooler TR09-15, Operation And Maintenance Instruction

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16 | Alarms
Alarms cont'd
Alarm
code Display description Reset Delay Alarm
relay Action
AL20
Pressure Probe U5 faulty or disconnected
Automatic 60 sec Yes
Off compressor
AL21
Pressure Probe U6 faulty or disconnected
Automatic 60 sec Yes
Off compressor
AL22
Pressure Probe U7 faulty or disconnected
Automatic 60 sec Yes
Off compressor
AL23
Defrost ended by max time duration
Automatic Yes
Lock defrost
AL24
BMS offline (bit unchanged) Automatic 20 se Yes Depends on
setting
AL25
Inverter model not compatible (Power+ only
allowed)
Automatic 60 sec Yes
Off compressor
AL26
Start fail due to high DeltaP
Automatic 300 sec Yes
Off compressor
208768 | A003