Mitsubishi Electric CMB-PW202V-J Service Handbook page 99

[ VIII Troubleshooting ]
1) TH11 through TH14 are connected to CN10 and TH15 and TH16 are connected to CN11 on the circuit board. Unplug the
corresponding connectors before checking each sensor.
2)
Pull out the sensor connector from the I/O board, Do not pull the sensor by holding the lead wire.
Measure the resistance with such as a tester.
Compare the measured value with that of shown in the figure below. When the result is
3) Check the self-diagnosis switch (Outdoor control board SW1).
HWE09070
Measurement data
Liquid inlet temperature
Bypass outlet temperature
LEV1 outlet temperature
WCB
HIC inlet temperature
Bypass inlet temperature
Bypass inlet temperature
Symbol SW1 setting value
1 2 3 4 5 6 7 8 9 10
ON
TH11
1 2 3 4 5 6 7 8 9 10
ON
TH12
1 2 3 4 5 6 7 8 9 10
ON
TH13
1 2 3 4 5 6 7 8 9 10
ON
TH14
1 2 3 4 5 6 7 8 9 10
TH15 ON
1 2 3 4 5 6 7 8 9 10
ON
TH16
- 90 -
10%, it is normal.
GB