Panasonic HL-BD82S Service Manual page 20

HL-BD82S
6.2. Oven not operative
Anomaly Possible Cause
Oven does not run Main breaker or
No power supply main fuses
Short circuit
Oven does not run Connections to
Power supply ok. Display or the
Power board
6.3. Cooling Fan Problems
Anomaly Possible Cause
Fan does not run Power board relay
No power supply not switching
Fan does not run Blocked rotor
Power supply ok.
Oven does not run Burned coil
Power supply ok.
Noisy fan Lose attachment
screws on cooling
assembly
The cooling fan is The control is
always on measuring a high
temperature
inside the cavity
6.4. Convection Fan Problems
Anomaly Possible Cause
Fan does not run Power board relay
No power supply not switching
Fan does not run Blocked rotor
Power supply ok.
Burned coil
Noisy fan Lose attachment
screws on cooling
assembly
Corrective Action section
Replace the fuses
Find the short circuit
and remove it
Replace power board 7.16.
Corrective Action section
Replace Power board 7.16.
Replace fan 7.2.
Replace fan 7.2.
Check attachment 7.2.
screws on cooling
assembly or replace
fan
Turn the cooking --
mode selector in a
cooking mode posi-
tion,F01 (F02) should
occur.
Check all the connec- --
tions between the
sensor and the power
board
Check the tempera- --
ture sensor
Check the power --
board
Corrective Action section
Replace Power board 7.16.
Replace fan 7.2.
Replace fan 7.2.
Check attachment --
screws
Check nut on working
fan for tightness or
replace it
6.5. Door Lock Problems
Anomaly Possible Cause
Door lock control Power board relay
does not run not switching
No power supply.
Door micro switch
or door latch
micro switch not
switching.
Door lock control Locked rotor.
does not run
Burned coil.
Power supply ok.
Noisy. Defective mount-
ing of door lever
mechanics.
The control The Oven temper-
doesn't unlock the ature is still
door after self beyond the safety
cleaning and the unlock value.
lock symbol on
the display is
steadily on.
The Oven had
been locked by
means of the child
lock procedure.
The control The door micro
doesn't unlock the switch is broken
door after self and the control
cleaning and the thinks that the
lock symbol on door is open.
the display is
Door lever mech-
always flashing.
anism locked
20
Corrective Action section
Replace Power board 7.16.
Replace micro switch. 7.9.
Replace motor. 7.7.
Replace motor. 7.7.
Check lever mecha- --
nism of door lock.
Lubricate all working
parts with silicon
grease
Wait for the tempera- --
ture to drop below the
threshold.
Turn the cooking --
mode selector in a
cooking mode posi-
tion,F01 (F02) should
occur.
Check all the connec- --
tions between the
sensor and the power
board.
Check the tempera- 7.13.
ture sensor.
If is damaged,
replace it.
Check the power 7.16.
board.
If is damaged,
replace it.
Use the same proce- 5.3.
dure to unlock the
door.
Check and replace the 7.9.
new micro switch
Check lever mecha- --
nism of door latch.
Lubricate all working
parts with silicon
grease