Prohibition Of The Compressor Operation Due To Outdoor Temperature (Error Code : E440, 441); Refrigerant Leakage Error (During Operation) (Error Code : E443) - Samsung AM040FXMDEH Service Manual

Troubleshooting
3-13 Prohibition of the compressor operation due to outdoor temperature
(Error Code : E440, 441)
1. How to check
The above error code is not caused by a product's problem but a function to protect the product by limiting the available temperature
range so please refer to the usable temperature range in the product manual.
If the error code is displayed despite a condition that does not belong to any of the above diagnosis methods, read the temperature
sensor value of the outdoor inlet air with View Mode or S-net, and if the actual outdoor temperature is different, please replace the
temperature sensor.

3-14 Refrigerant leakage error (during operation) (Error Code : E443)

1. How to check
correctly connected to PCB?
Is there leakage of refrigerant
in the system or charging inferior?
(Check with manifold gauge)
Replace the high pressure sensor
44
Is high pressure sensor
Yes
No
No
Check and reconnect the connector
Yes
Refill or recharge the refrigerant
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