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SiENBE12-713
Troubleshooting
Service Diagnosis
265
5.22 Electrical Box Temperature Rise
Remote Control
Display
L3
Outdoor Unit LED
Display
A
5
1
4
2
4
3
1
4
4
Method of
Malfunction
Detection
An electrical box temperature rise is detected by checking the radiation fin thermistor with the
compressor off.
Malfunction
Decision
Conditions
"
With the compressor off, the radiation fin temperature is above 100°C.
"
The error is cleared when the temperature drops below 70°C.
Supposed
Causes
"
Fin temperature rise due to defective outdoor unit fan
"
Fin temperature rise due to short-circuit
"
Fin thermistor defective
"
Connector in poor contact
"
Outdoor unit PCB defective
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...