Panasonic HL-BD82S Service Manual page 21

6.6. Oven Light Problems
Anomaly Possible Cause
The Oven lights Check door micro
are always OFF. switch.
No power supply.
Power board relay
not switching.
The Oven lights Lamps are burned
are always OFF. out.
Power supply is
ok.
The Oven lights Check the door
are always ON. micro switch.
Power board relay
has a shorted cir-
cuit.
6.7. Selector Problems
Anomaly Possible Cause
Every cooking The control can-
mode accepts not read the tem-
only the preset perature selector.
temperature and
clean will not start.
The control The control can-
doesn't accept not read the cook-
any cooking mode ing mode selector.
or clean selection.
6.8. Display Problems
Anomaly Possible Cause
The display is The power supply
always dark, the to the display
latch at power up board is missing.
works correctly.
The display is The power supply
always dark, the is not working.
latch at power up
doesn't work
Corrective Action section
Replace door micro 7.9.
switch.
Replace Power board. 7.16.
Replace lamps. 5.11.
Replace door micro 7.9.
switch or connection
between the door
switch and the power
board.
Replace Power board. 7.10.
Corrective Action section
Check the connec- --
tions between the
selectors and the dis-
play board.
Check and eventually 7.17.
replace the selector
itself.
Check and eventually 7.16.
replace the power
board.
Check the connec- --
tions between the
selectors and the dis-
play board.
Check and eventually 7.17.
replace the selector
itself.
Check and eventually 7.16.
replace the power
board.
Corrective Action section
Verify if the voltage (- --
5GND) is correct on
the display board.
Check the connec- --
tions between the
power and the display
board.
Verify if the voltage (- --
5GND) is correct on
the main power board.
Verify if the voltage (- --
5GND) is correct on
the main power board.
Check and eventually 7.16.
replace the main
power board.
Anomaly Possible Cause
During the manual The board has
test it's not possi- never been pro-
ble to check the grammed.
software version
of one board: The
displays shows [d]
or [p] without any
The display can-
number.
not read the
power board soft-
ware due to a
connection prob-
lem.
6.9. Door Hinge Problems
Anomaly Possible Cause
The door does Hinges system is
not close or there broken or dam-
is not sealing aged
between door
The hinges sup-
and gasket
port in the box is
broken or dam-
aged
6.10. Bad Cooking Performance
Anomaly Possible Cause
Bad performance Heating ele-
ments not work-
ing
Convection fan
not working prop-
erly
There is not seal-
ing between door
and gasket
6.11. Meat probe problem
Anomaly Possible Cause
Meat seems to Bad connec-
be not present or tions or short cir-
doesn't work cuit
Meat probe inter-
nal wires are bro-
ken
21
HL-BD82S
Corrective Action section
If the display shows --
2p check the connec-
tions between the
boards, then try to
replace the bad power
connection.
if the display shows 7.18.
[d] replace the display
board.
Corrective Action section
Replace the units 7.14.
Replace the units 7.15.
Corrective Action section
Check the connection --
of the heating ele-
ments
If there in not power 7.16.
on the heating ele-
ments check relays on
the power boards.
If the power board
relay not switching
replace the units.
Check the power on 7.4.
the heating elements 7.5.
and replace the ele- 7.6.
ments if needed
See the convection 6.6.
fan problem
The hinges system or 7.14.
the hinges support in 7.15.
the box are damaged.
Replace the units
Corrective Action section
Check the harness 7.23.
near the probe con-
nection
Replace the meat --
probe