9-2-7 Operation condition secession error
Indoor display
7-SEG DISPLAY
C440
Prohibit Operation Condition Error (Heating)
C441
Prohibit Operation Condition Error (Cooling)
Outdoor display
LED ON
LED BLINKING
1. Checklist :
1) Check the temperature around the outdoor unit.
2. Troubleshooting procedure
Restart after power off
Is the operation condition secession
error appeared again?
YES
* Heating mode *
Is the outdoor temperature over 104°F or
under -
22
YES
The temperature condition is too poor to
operate. Wait until temperature is changed
DESCRIPTION
LED OFF
°F?
Operation condition secession
NO
Terminate the service
* Cooling mode *
Is the outdoor temperature under
9-8
°F?
19.4