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SM830079
11. SERVICE PROCEDURES
2)
Checking the Protective Devices
•
Disconnect the connector, which consists of P (plug) and S (socket) when you want to check the
protective device.
•
Then check continuity among plug’s (and/or socket’s) terminal as in Fig. 17.
•
Normality of the protective device can be judged by the following table.
The Protective Device is proved normal if there is a continuity between terminals.
1
1
1
1
1
Indoor fan motor thermal protector (49FI) . . . . . . Indoor unit
•
Disconnect the connector which leads to the indoor fan motor (FMI).
•
Check the socket’s terminals.
2
2
2
2
2
Compressor motor thermal protector . . . . . . Outdoor unit
•
Disconnect the wires from terminals of compressor.
•
Check the terminals of compressor.
3
3
3
3
3
Outdoor fan motor thermal protector (49FO) . . . . . . Outdoor unit
•
Disconnect both the connector which leads to the outdoor fan motor (FMO).
•
Check socket’s terminal.
Ω
socket
Multimeter
0642_X_S
Fig. 17
