Carrier Touch Pilot Control Series Control Manual page 33

9 - DIAGNOSTICS
Code Description
Compressor failure XX = 11 (compressor A1); XX = 12 (compressor A2); XX = 21 (compressor B1); XX = 22 (compressor B2)
xx20 Compressor High Inverter Temperature
xx22 Compressor Low Suction Pressure
xx23 Compressor High Discharge Pressure
xx24 Compressor 3-Phase Overcurrent
xx25 Compressor Cavity Temperature
xx27
Compressor Pressure Ratio
xx28 Compressor Bearing/Motor Controller Fault
xx29 Compressor Sensor Fault
xx30 Compressor SCR Temperature
xx31 Compressor Lock Out
xx32 Compressor Motor Winding Temperature
xx33 Compressor High Suction Superheat
xx34 Compressor Earth Leakage
xx35 Compressor Soft Start Temp.
xx36
Compressor Identification register does not
match
xx37 Compressor Starting is taking too much time As above
xx38
Compressor - Interlock discordance
xx39 Compressor - Out of map info
xx90 Compressor Communication lost
LEN & Database modules failure
56001 Lenscan module Failure
55001 Database module Failure
Voltage failure
57001 SIOB 1 Low Voltage Failure
57002 SIOB 2 Low Voltage Failure
57003 SIOB 3 Low Voltage Failure
Stepper motor failure
57020
Main EXV Stepper Motor Failure - Cir A
57021 Main EXV Stepper Motor Failure - Cir B
57030 Staging Valve stepper motor failure -
Compressor A1
57031
Staging Valve stepper motor failure -
Compressor A2
57040 Staging Valve stepper motor failure -
Compressor B1
57041
Staging Valve stepper motor failure -
Compressor B2
Possible cause
Compressor fault
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
As above
Software problem. Contact
Manufacturer Agency
As above
Unstable electrical supply or
electrical issue
As above
As above
Stepper motor failure
As above
As above
As above
As above
As above
Action taken
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
Compressor shuts down
No action (warning only)
Compressor shuts down
Unit shuts down
No action (warning only)
Unit shuts down
Circuit B shuts down
Unit shuts down
Circuit A shuts down
Circuit B shuts down
Compressor A1 cannot be
started
Compressor A2 cannot be
started
Compressor B1 cannot be
started
Compressor B2 cannot be
started
Reset type
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Manual
Automatic, if the compressor
is stopped
Manual
Automatic
Automatic, if communication
is re-established
Automatic
Manual
Automatic, if voltage reading
returns to normal (6 alarms
within 24 hours); otherwise,
Manual
As above
As above
Manual
Manual
Manual
Manual
Manual
Manual
33