Haier GE NS23AM Service Manual page 90

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
4
441 14
Table 27. Outdoor Control 7-Segment Display Alert Codes and Inverter LED Flash Codes
Priority Actual Displayed
Condition Alert Text
This alert code is for more information than an issue with the system.
• When the inverter gets close to the current or heat sink temperature
• Compressor slowdown due to high compressor current.
• Compressor current is approaching limit.
• The compressor speed automatically slows.
• This error code is primarily for informational purposes as the inverter
• The inverter will reduce the compressor speed by 4 Hz and slow the
OD Inverter
Compressor
Information
Slowdown - High
Only-Dealer
Compressor
• The control sets indoor CFM and outdoor RPM to values according
Current
• Possible issue is system running at high pressures.
• Check for high pressure trips or other alert codes in thermostat and
•
• Refer to the unit service documentation for detailed troubleshooting
The sequence is:
•
•
NOTE:
Page 90
Component or System Operational State and Troubleshooting
Tip
limit, it will limit the ramp rate. Instead of changing compressor
speed at 1 hz/second, it changes to 5 hz/20 seconds.
controls the compressor to operate within design parameters. Alert
code 441 typically occurs at startup as the compressor current
increases rapidly during startup.
compressor ramp up speed to the requested compressor demand
speed (capacity). This is normal and expected operation of the
inverter to control the inverter within design parameters. In most
service or diagnostic procedures.
to demand percentage rather than the actual Hz.
outdoor control.
procedures.
Red LED: One Flash
Green LED: Four Flashes
Inverter normal operations with no error code present is as
follows. Red LED is ON and green LED is OFF.
How to Clear Alert
Code
Automatically clears
when the condition
no longer exists.
31-5000746 Rev. 0