85
10-2-7 Operation condition secession error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY DESCRIPTION
LED1 LED2 LED3
◎ ◎
E440
Prohibit Operation Condition Error (Heating)
E441
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