Panasonic HL-BD82S, Service Manual

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