Haier GE NS23AM Service Manual page 76

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
124
N/A N/A
125
132
Table 23. Outdoor Control 7-Segment Display Alert Codes - Outdoor Control Errors
Priority Actual Displayed Component or System Operational State
Condition Alert Text and Troubleshooting Tip
The thermostat has lost communication with a system component for more
than three minutes. System component has lost communication with the
thermostat.
• Check the wiring connections between components.
• Ohm wires.
• Cycle power.
Tstat Lost Com-
• Any component that is miss-wired may cause a false component code to
Service
munication To
Urgent
Smarthub
• Disconnect all wiring to other system components and check
NOTE:
This alert code stops all associated system operations and waits for a
heartbeat message from the system component that is not communicating.
There is a hardware problem on a system component control. There is a
Service Control Hardware
control hardware problem.
Urgent Problem
Replace the control if the problem prevents operation and is persistent.
System component control software is corrupted.
Service Device Control
• Recycle power.
Urgent Software Fault
• If failure re-occurs, replace the system component control.
be shown on system component.
communication one at a time.
from the circuit
Page 76
How to Clear
Alert Code
Automatically clears
after communication
is re-established with
applicable system
component (device).
Automatically clears
the issue no longer
exists.
Manual system
power reset is
required to recover
from this alert code.
31-5000746 Rev. 0