60
(Only SLZ-A18AR.TH, SLZ-A24AR.TH) When OPERATION INDICATOR lamp flashes 6-time.
(Only SEZ-A18AR.TH, SEZ-A24AR.TH) Error code “5102” and “OC” displays on remote controller.
• When thermistor is abnormal. (When the LED display is a table below.)
P
P
Check of outdoor thermistors
No
Yes
No
Yes
Reconnect the connector CN661 on the outdoor electronic control P.C. board and CN3 on the power board, and
disconnect the lead wire leading to the compressor.
3 minutes after turning on the power supply, start EMERGENCY OPERATION.
Thermistor
Discharge temperature thermistor
Defrost thermistor
Outdoor heat exchanger temperature thermistor
Fin temperature thermistor
Symbol
RT61
RT62
RT68
RT65
Connector, Pin No.
Between CN661 pin3 and pin4
Between CN661 pin1 and pin2
Between CN661 pin7 and pin8
Between CN3 pin1 and pin2
Start
Disconnect the connector in the electronic control P.C. board (see below table), and
measure the resistance of thermistor. Is the thermistor normal?
Does thermistor operate 10 minutes or more though the
thermistor abnormality is not displayed?
Replace the thermistor.
Normal
Replace the outdoor electronic
control P. C. board.
[SUZ-A18VR.TH SUZ-A24VR.TH]
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