Carrier 30AWH004HB User Manual

82
30AW
Diagnostic
6
Is the power supply cabling and sensor
cabling correct? (See Wiring Diagrams)
Check and correct cable
Check inverter board
Fault code 22 – Heat exchanger Sensors TE/TS
Are the sensors correctly connected?
(See Wiring Diagrams)
Are the resistance characteristics of the
temperature sensors normal?*
Correctly connect the Sensors
Replace defective Sensors
Check Inverter board - replace if defective
*Check resistance table
Fault code 23 – Discharge Temperature Sensor
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 Inverter board - replace if defective
*Check resistance table
Fault code 21 – Inverter current sensor fault
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
SM_30AW.indd 82 14-03-2011 14:45:35

Carrier 30AWH004HB Specifications

General

Brand	Carrier
Model	30AWH004HB
Category	Air Conditioner
Language	English