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
Summary of Contents for RB1955SWRB1955SH
Page 7: ...5 WARRANTY INFORMATION 7 ...
Page 11: ...11 Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation ...
Page 33: ...33 Circuit Descriptions ...
Page 37: ...37 Diagnostics 5 If the defrost sensor of the freezer has trouble ...
Page 40: ...40 Diagnostics 11 5 If the refrigerator fan doesn t work ...
Page 41: ...41 Diagnostics 11 6 If the compressor cooling fan motor doesn t work ...
Page 43: ...43 Diagnostics ...
Page 45: ...45 Diagnostics 2 If beep sounds continuously 3 When the digital panel PCB does not light ...
Page 46: ...46 Diagnostics 4 When a button of the digital panel is not selected ...
Page 48: ...48 12 Illustrated Parts Catalog 12 1 Freezer ...
Page 50: ...50 Illustrated Parts Catalog 12 2 Refrigerator ...
Page 52: ...52 Illustrated Parts Catalog 12 3 Disassemblyof Door ...
Page 54: ...54 Illustrated Parts Catalog 12 4 Cabinet ...
Page 61: ...61 11 PCB Circuit Diagram ...