PROCEDURE 1

Step 1

Use 2mm slotted
screw driver to lever off
decorative cover.

Step 2

Unscrew LED cover
with a Cross-head
screwdriver.

Step 3

Unscrew cover of
mainboard with a
Cross-head screwdriver.

Step 4

Remove mainboard
cover.

Step 5

Disconnect terminals on
mainboard.

CHECK AND TEST 1

DIAGNOSIS 1

Step 1

Disassemble terminals
of mainboard.

Step 2

Unscrew.

Step 3

Loosen buckle and take
out mainboard.

Step 1

Disassemble terminals
of mainboard.

Step 2

Push the plastic clip.

Step 3

Push LED board out of
buckle.

Step 1

Offer DC12V to LED on
the top to check if it is on
or not.