CHECK AND TEST 1

Step 1

Unscrew with cross head
screw driver.

Step 2

Remove the mainboard
cover.

Step 3

Press SW101 button to
start auto test.

Step 4

After 40 minutes, test
output of heater.

Step 5
Record the result.
The value should be 230V.

DIAGNOSIS 1


PROCEDURE 1

Step 1

Unscrew with cross head
screw driver.

Step 2

Remove the mainboard
cover.

Step 3

Disconnect the terminals.

Step 4

Loosen the buckle.

Step 5

Take out mainboard.

Reverse above steps to
install a new board.

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