Sanyo C1852 User Manual download pdf (Page 42)

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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 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 Compressor motor thermal protector . . . . . . Outdoor unit

• Disconnect the wires from terminals of compressor.

• Check the terminals of compressor.

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

1 2 ... 37 38 39 40 41 42 43 44 45

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Sanyo C1852 User Manual Page 42