112
ALARM CODE DESCRIPTIONS (continued)
ALARM CODE
Process faults
P-14
P-16
P-17
P-18
P-19
P-20
P-21
P-22
P-23
P-24
P-25
P-26
P-27
P-28
P-29
P-30
MC-nn
FC-n0
FC-01
P-31
P-32
P-33
P-15
P-34
P-35
P-37
P-38
P-39
P-40
P-41
P-42
P-43
Maintenance alarms
A1-01
Compressor faults
A1-01
A1-nn
A2-01
A2-nn
A3-01
A3-nn
A4-01
A4-nn
B1-01
B1-nn
B2-01
B2-nn
B3-01
B3-nn
B4-01
B4-nn
RESET TYPE
Automatic if the unit is in manual shut-down status,
otherwise manual.
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Automatic when the contact closes again
Automatic when communication is re-established
Automatic when communication is re-established
Automatic when the master configuration returns to
normal or when the unit is no longer in master/slave
mode
Automatic when the configuration is entered
Manual
Manual
Manual
Manual
Manual
Manual
Manual
Automatic
Automatic
Automatic
Manual
Manual
Manual
Automatic when the temperature detected returns to
normal or when the mode returns to cooling
Manual
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
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
PROBABLE CAUSE
Evaporator pump defect or water flow switch fault
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Connection problem
Control box badly ventilated or poor electrical
connection
CCN installation bus defective
CCN installation bus defective
Master/slave configuration error
The unit size has not been configured
The unit size has been configured with the wrong
value
Network command
Pump overheating or poor pump connection
Pump overheating or poor pump connection
Sensor defective
Sensor defective or low condenser water flow rate
Sensor defective or low condenser water flow rate
Transducer defective or ventilation circuit fault
As above
As above
Pressure sensor defective or refrigerant charge too
low
As above
As above
Operating compressor protection out of range or
pressure sensor fault
The preventive maintenance date has passed
ALARM DESCRIPTION
Water flow control and customer interlock fault
Compressor A1 not started or no pressure increase
Compressor A2 not started or no pressure increase
Compressor A3 not started or no pressure increase
Compressor A4 not started or no pressure increase
Compressor B1 not started or no pressure increase
Compressor B2 not started or no pressure increase
Compressor B3 not started or no pressure increase
Compressor B4 not started or no pressure increase
Compressor C1 not started or no pressure increase
Compressor C2 not started or no pressure increase
Compressor C3 not started or no pressure increase
Compressor C4 not started or no pressure increase
Control box thermostat or phase reversal detected
Communication loss with the System Manager
Communicaiton loss between master and slave
Master chiller No. 1 configuration error at nn
No factory configuration
Illegal factory configuration number
CCN emergency stop
Fault water pump 1
Fault water pump 2
Condenser flow controller fault
Reclaim operation failure, circuit A
Reclaim operation failure, circuit B
Repeated high pressure unloading, circuit A
Repeated high pressure unloading, circuit B
Repeated high pressure unloading, circuit C
Repeated low suction temperature unloading in
heating mode, circuit A
Repeated low suction temperature unloading in
heating mode, circuit B
Repeated low suction temperature unloading, circuit C
Heat exchanger temperature too low, less than 10°C,
prevents unit start-up
Maintenance alert, service number nn
Fault, compressor A1 N°1
Fault, compressor A1 N°nn
Fault, compressor A2 N°1
Fault, compressor A2 N°nn
Fault, compressor A3 N°1
Fault, compressor A3 N°nn
Fault, compressor A4 N°1
Fault, compressor A4 N°nn
Fault, compressor B1 N°1
Fault, compressor B1 N°nn
Fault, compressor B2 N°1
Fault, compressor B2 N°nn
Fault, compressor B3 N°1
Fault, compressor B3 N°nn
Fault, compressor B4 N°1
Fault, compressor B4 N°nn
