59
(Refrigerator Bulb)
1. Open the door and check if the freezer lamp
turns on.
2. Press the Door S/W and check if the freezer
lamp turns off.
3. Close the freezer door and repeat 1 and 2 for
refrigerator door.
4. If there is a problem, check lightbulb and door
S/W.
5. Check wire connection.
(Micom signal)
1. Check if CN30 ⑥ and
⑧
is 5V DC after closing the F·R doors.
2. Check if CN30 ⑥ is 0V DC when opening F door.
Check if CN30
⑧
is 0V DC when opening R door.
3. If there is problem, check door S/W and wire connection.
1. Press the TEST button on the PCB after
removing the main PCB cover in the
machine compartment.
2. Buzzer will sound to indicate the forced
running.
(Forced running)
* This function is used to turn on the comp
and fan immediately regardless of the
temperature of freezer using the test button
on the main PCB.
1. Press the button during forced running.
Then, R-defrosting is performed.
2. If the button is press during R-defrosting, F-
defrosting is also performed at the same
time.
3. If the button is pressed during R-F
defrosting, test mode is released.
(Forced defrosting)
* This function is used to turn on the
defrosting regardless of defrost time.
PCB-MAIN ASSY
Ref. 5) Check Door S/W
Ref. 6) Forced Operation and Forced Defrosting
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