Samsung AR18HSFNBWKNEU Service Manual page 104

10-2-22 Operation condition secession error
Indoor display
3-LED DISPLAY
LED1 LED2
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?
* Heating mode *
Is the outdoor temperature over 40 or
The temperature condition is too poor to operate.
Wait until temperature is changed
10-26
LED3
LED OFF
YES
under -30 ?
YES
7-SEG DISPLAY
E440
E441
Operation condition secession
NO
Terminate the service
Is the outdoor temperature under -7
DESCRIPTION
Prohibit Operation Condition Error
(Heating)
Prohibit Operation Condition Error
(Cooling)
* Cooling mode *
Samsung Electronics