CHECK AND TEST 1

Step 1

Unscrew.

Step 2

Remove the mainboard cover.

Step 3

Check if terminal is loose, full of foam.

Step 4

If loose, reinsert the terminal.
If terminal is full of foam, use tweezers to remove foam. 

Step 5

Set potentiometer from max to min.

Step 6

Test resistance of potentiometer at each
gear from terminal in PCB area.

DIAGNOSIS 1

CHECK AND TEST 2

Step 1

After removing foam from terminal and reinserting the terminal, please re-test resistance of potentiometer from terminal in PCB area.

DIAGNOSIS 2

PROCEDURE 1

Step 1

Lever LED cover off.

Step 2

Remove LED cover.

Step 3
Unscrew potentiometer cover.

Step 4

Remove cover from cavity.

Step 5
Disconnect terminal for potentiometer.

Step 6

Disconnect terminal of LED.

Step 7

Unscrew.

Step 8

Take the potentiometer away.

CHECK AND TEST 3

Step 1

Test potentiometer.
DIAGNOSIS 3

CHECK AND TEST 4

Step 1

Check the connection of wires in foam.

DIAGNOSIS 4

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