Kenmore 795.583*.410 Service Manual page 118

B4- LED Blinks five times, then repeats Locked Piston: A&E Inverters
- Purpose: to detect locked piston.
- Cause: lack of oil to the cylinder or piston damaged and or restricted discharge.
A locked piston can also be caused by foreign materials inside the compressor.
- Logic: Compressor is forced off and tries to restart within 2.5 minutes.
Protection
logic
Check B
B5. LED blink six times, then repeats (Current Trip: A&E-Inverters)
Blink Blink OFF
- Purpose: Prevent over- current(overload- protect)
- Cause: ambient temperature is high (over 43°C) and/or refrigerator's condenser air movement is restricted
- Condenser Fan is stopped, restricted discharge line, compressor is damage, or IPM device is defective.
- Logic: Compressor is forced off and tries to restart after 6 minutes.
Protection
logic
Check B
Check Procedure
Blink 5 times
(Lock Piston Trip) Check B4
Compressor
doesn't work
Repeat check
procedure
Blink OFF
.
blink 6 times
(Current Trip)check B5
N
Replace
Driver PCB
N
Repeat Current trip
occur?
Y
Reset
Compressor
power
doesn't work
N
Compressor
Y
Intermittently
Works
N
IPM Check
Compressor
Y
Damage
Check
Y
Reset
Power
Y
Compressor
Cycle blockage?
Doesn't works
N
Y
Cycle check
118
Replace
compressor
N
Y
hi Side
restriction
Y
Sealed
system
repair
.
N
Replace
Compressor
N
Replace
Compressor
Sealed system
Repair