Troubleshooting

9-3-3 Checking Indoor controller

9-3-4 Checking Power cable and Communication cable

See 12-2 "Checking and Testing operations" and installation manual.

9-3-5 Checking Temperature sensor

See 12-5 "Fault Diagnosis of Major Parts".

In case of a sensor in outdoor unit, temperature can be monitored with "VIEW MODE".

Press K4 key on the outdoor display PCB for several time to change the display to sensor temperature value. Left 1 digit of the LED is data index and Right 2 digits are the value.

Index

Value

Remark

 

 

 

8

Discharge sensor temperature

 

 

 

 

9

OLP sensor temperature

The unit is degree C

 

 

A

Condenser sensor temperature

 

 

 

 

B

Outdoor sensor temperature

 

 

 

 

Samsung Electronics

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Samsung MH026FNCA service manual Checking Temperature sensor

MH026FNCA specifications

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