LG LRE3085ST, Service Manual

Page: 82 / 96

11-2
TROUBLE SHOOTING
Electronic timer will not
accept Programming.
Electronic timer will not
accept Programming.
Clock and timer not working
Oven does not bake
(Selection is set for to BAKE
or TIMED BAKE)
Oven does not Broil
Overheating or
“runaway” oven
Oven door will not open or
latch.
Premature burnout of bake
element
Oven door difficult to open
• Failed main PCB
• Failed main PCB
• Power outage
• Loose or bad wiring
• Defective BAKE element
• Defective electronic clock
• Door switch sensing error
• Loose or bad wiring
• Defective BROIL element
• Defective main PCB or relay PCB
• Loose or bad wiring to latch
system
• Defective Oven Sensor
• Bad main PCB
• Defective latch mechanism.
• Defective(bent)door latch lever.
• Oven is still hot. Cool-down period
after self-clean cycle not complete
• Improper use of oven(e.g. being
used to heat the home)
• Worn or broken broil stop roller.
• Replace main PCB
• Replace main PCB
• Verify power is present at unit.
• Verify that the circuit breaker is not tripped
• Replace household fuse, but do not fuse
capacity
• Refer to Owner’s manual instructions
• Verity all connections are clean and tight,
replace broken wire
• Test and/or replace BAKE element.
• Replace main PCB or relay PCB
• Test door switch and check the point of
contact between door and door switch
• Verity all connections are clean and tight,
replace broken wire
• Test and/or replace BAKE element.
• Replace main PCB or relay PCB
• Repair or replace wiring
• Test and/or replace Oven Sensor
• Test and/or replace PCB
• Replace door latch system.
• Replace latch lever
• This is normal. Wait until LOCK icon goes
out.
• Use oven for baking only
• Replace oven door hinge
PROBLEMS POSSIBLE CAUSES & FAULTS SOLUTIONS