Carrier AquaSnap 30RB Serie Installationanweisungen Seite 24

The following list describes the possible cause for each alarm code:
alarm no. alarm alarm description
code
Thermistor faults
1 th-01 Sensor fault, fluid entering water
heat exchanger
2 th-02 Sensor fault, fluid leaving water
heat exchanger
3 th-03 Defrost fault, circuit Aa
5 th-10 Outside temperature sensor fault
pressure transducer faults
11 Pr-01 Discharge pressure transducer
fault, circuit A
13 Pr-04 Suction pressure transducer fault,
circuit A
process faults
20 P-01 Water heat exchanger frost
protection
21 P-05 Low suction temperature, circuit A
27 P-14 Water flow control and customer
interlock fault
28 P-16 Compressor A1 not started or no
pressure increase registered
36 FC-n0 No factory configuration
37 FC-01 Illegal factory configuration number Manual
38 P-31 CCN emergency stop
39 P-32 Fault water pump 1
41 P-37 Repeated high pressure unloading,
circuit A
46 P-97 Reversed entering/leaving water
sensors
51 Sr-00 Maintenance service alert
54 P-63 High pressure fault in circuit A
56 P-99 Refrigerant leak detected
24
reset type
Automatic when the temperature
measured by the sensor returns to
normal
As above
As above
As above
Automatic when the voltage
transmitted by the sensor returns to
normal
As above
Automatic if the same alarm has not
tripped during the last 24 hours,
otherwise manual.
Automatic when the temperature
returns to normal, and if this alarm
has not appeared during the last 24
hours, otherwise manual.
Automatic if the unit is in manual
shut-down status, otherwise
manual.
Manual
Automatic when the configuration
is entered
Manual
Manual
Automatic
Manual
Manual
Manual
Automatic
probable cause
Defective thermistor
As above
As above
As above
Defective transducer or installation
fault
As above
Water flow rate too low or defective
thermistor
Pressure sensor defective, EXV
blocked or low refrigerant charge
Heat exchanger pump defect or
water flow switch fault.
Connection problem
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
Transducer defective or fan circuit
fault
Sensor defective, sensors
reversed
The preventive maintenance date
has passed
Fan fault
Refrigerant leak or solvent present
in the machine atmosphere
action taken by the control
Unit is shut down
As above
Circuit is shut down, if the unit is
in heating mode
Unit is shut down
Circuit is shut down
As above
Unit is shut down
Circuit is shut down
Unit is shut down
Compressor is shut down
Unit is shut down
As above
As above
Unit is completely stopped if
there is no emergency pump
None
Unit is shut down
Circuit is shut down
No action