Carrier 30AWH004HB User Manual

80
30AW
Diagnostic
6
Are the connections correct? Check and correct the connections
(See Wiring Diagrams)
Are all cables and connectors correctly
tted?
Check cabling
Check GMC Board - if defective,
replace
Fault code 14 – Loss of signal from inverter board
Are the connections of inverter board and
GMC board correct? (See Wiring Diagrams)
Check and correct the connections
Are all cables and connectors correctly
tted?
Check cabling between inverter board
and GMC board
Check GMC Board - if defective,
replace
Check Inverter Board - if defective,
replace
Fault code 15 – Exit water temperature sensor fault
Is the sensor correctly connected?
(See Wiring Diagrams)
Are the resistance characteristics of the
temperature sensor normal?*
Correctly connect the Sensor
Replace defective Sensor
Check GMC board - replace if defective *Check resistance table
Fault code 13 – Loss communication to RS485
NO
YES
NO
YES
YES
NO
YES
NO
NO
NO
YES
YES
SM_30AW.indd 80 14-03-2011 14:45:32

Carrier 30AWH004HB Specifications

General

Brand	Carrier
Model	30AWH004HB
Category	Air Conditioner
Language	English