Carrier AQUASNAP 30RB Series Controls And Troubleshooting page 113

ALARM CODE DESCRIPTIONS (continued)
ALARM CODE ALARM DESCRIPTION
C1-01 Fault, compressor C1 N°1
C1-nn Fault, compressor C1 N°nn
C2-01 Fault, compressor C2 N°1
C2-nn Fault, compressor C2 N°nn
C3-01 Fault, compressor C3 N°1
C3-nn Fault, compressor C3 N°nn
C4-01 Fault, compressor C4 N°1
C4-nn Fault, compressor C4 N°nn
Process faults
XX-01* Compressor B1 motor temperature too high
XX-02* Compressor B1 crankcase heater fault
XX-03* Compressor B1 high pressure switch fault
XX-03* PTC temperature probe
Compressor motor B1 out of range
RESET TYPE
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
See compressor alarm subcode
Manual
Manual
Manual
Manual
113
PROBABLE CAUSE
Motor fault, wiring
Crankcase heater defective, wiring fault
Condenser flow rate too low, condenser valve blocked, fan circuit
fault, condenser air or water entering temperature too high
Probe defective