- 96 -
B6. LED blinks seven times, then repeats (IPM Fault: A & E Inverters)
Blink
Blink
Blink
Blink Blink Blink Blink OFF
Protection
logic
Check B
Blink 7 times
(Lock Piston Trip) Check B5
Compressor
Doesn't work
Y
N
Repeat
Check Procedure
Replace
Drive PCB
N
Y
Check IPM
visual inspection
(turn off)
Short
Test
Point A
Power
Reset
Compressor
Damage
Check C3
Replace
Compressor
NG
Y
Modify
- Purpose: Prevent high current due to IPM Short
- Cause: Damaged IPM (Dead Short)
- Test for a dead short at
Point A
with a VOM.
- Logic: Compressor is forced off and tries to restart in 20 seconds.
Содержание LFXS30786 Series
Страница 4: ... 4 2 PARTS IDENTIFICATION Ice Bin Icemaker Ice Compartment Door ...
Страница 7: ... 7 ...
Страница 25: ... 25 5 CIRCUIT DIAGRAM ...
Страница 26: ... 26 6 TROUBLESHOOTING ...
Страница 27: ... 27 ...
Страница 29: ... 29 7 3 Sub PCB ...
Страница 107: ... 107 13 DESCRIPTION OF FUNCTION CIRCUIT OF MICOM ...
Страница 108: ... 108 ...
Страница 118: ...P No MFL68488638 Nov 2015 Printed in Korea ...