E440, E442 : Prohibition Of The Operation Of Compressor Due To Ooutdoor Temperature - Samsung AM007FN1DCH/AA Service Manual

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Outdoor unit display
Indoor unit display
Criteria
Cause of problem
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 tempera-
ture 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.
Samsung Electronics
: Prohibition of the operation of Compressor due to Ooutdoor Temperature
(prohibit heating operation in outdoor temperature over 30°C)
(prohibit heat filling operation in outdoor temperature over 15°C)
No sign
: Right before an outdoor unit starts heating operation by On signal of an indoor Remocon, the
error occurs and prohibits the operation in outdoor temperature over 30°C
: Right before operating heat refrigerant filling mode by the K1 switch of an outdoor PCB, the error
occurs and prohibits the operation in outdoor temperature over 15°C
Troubleshooting
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