–
55
–
4
(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. 46.
•
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 (49C) . . . . . . Outdoor unit
•
Disconnect both the connectors in the outdoor unit.
•
Check terminal between the plug and socket.
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.
Fig. 46
Ω
socket
Multimeter
0642_X_S
4. SERVICE PROCEDURES
