System Operation And Service - Haier GE NS23AM Service Manual

System Operation and Service

7-Segment Alert and System Status Codes
Alert codes are displayed using the 7-segment display
located on the outdoor control.
NOTE: System fault and lockout codes take precedence
over system status codes (cooling, heating operating
The 7-segment will display an abnormal condition (error
code) when detected in the system. A list of the codes are
shown in .
NOTE: System fault and lockout codes take precedence over system status codes (cooling, heating operating percentages or defrost/dehumidification). Only the latest
active fault or lockout codes are displayed (if present). If no fault or lockout codes are active, then system status codes are displayed.
GF= Gas Furnace, AH=Air Handler, ID=Indoor unit (GF or AH), HP=Heat Pump, AC=Air Conditioner, OD=Outdoor Unit (AC or HP), ZA=Zone system and TS=Thermostat
Inverter Flash
Code
Alert Inverter
Code Code
Red Green
LED LED
N/A N/A ON OFF
N/A N/A ON ON
N/A N/A OFF OFF
Priority Actual Displayed Component or System Operational State
Condition Alert Text and Troubleshooting Tip
N/A 24, 36 only: Indicates inverter is operating normally.
N/A 48, 60 only: Indicates inverter is operating normally.
N/A Indicates inverter is NOT energized.
Table 11. Alert Codes and Troubleshooting
Resetting Alert Codes
Alert codes can be reset manually or automatically:
Manual Reset
Manual reset can be achieved by one of the following
methods:
1. Disconnecting R wire from the outdoor control R
terminal.
2.
3. After power up, all currently displayed codes are
cleared.
Automatic Reset
After an alert is detected, the outdoor control continues
to monitor the unit's system and compressor operations.
When/if conditions return to normal, the alert code is turned
NOTE: Error codes can be recalled by following information
Page 32
How to Clear
Alert Code
31-5000746 Rev. 0