75
9-2-7 Operation condition secession error
Indoor display
7-SEG DISPLAY DESCRIPTION
C440
Prohibit Operation Condition Error (Heating)
C441
Prohibit Operation Condition Error (Cooling)
Outdoor display
Operation condition secession
LED ON LED BLINKING
LED OFF
1. Checklist :
1) Check the temperature around the outdoor unit.
2. Troubleshooting procedure
NO
YES
YES
Restart after power off
Terminate the service
Is the operation condition secession
error appeared again?
*Heatingmode*
Is the outdoor temperature over 40
℃ or
under -30 ℃?
*Coolingmode*
Is the outdoor temperature under -7
℃?
The temperature condition is too poor to
operate. Wait until temperature is changed
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