PROCEDURE 1

Step 1

Cut off the wire. 

Step 2

Peel off the sleeves.

Step 3

Check if the power cord in the compressor room is broken or not.

Step 4

Tin soldering.

Step 5

Cover connecting point with electrical tape.

Step 1

Perform current leakage test: Put one detector on earthing wire of socket, and another detector on processing pipe. 

DIAGNOSIS 2