Troubleshooting Guide - Panasonic HL-BD82S Service Manual

6 Troubleshooting Guide

6.1. Error Message
TO Reset assembly FAILURES, REMOVE THE CAUSE AND SWITCH THE SELECTORS IN [OFF] AND [Preset assembly]
POSITIONS RESPECTIVELY.
Code Error
F01 Temperature sensor
F03 Latch mechanism
F05 Over temperature detected
while cooking (t>650°f)
F07 Over temperature detected in
self-clean (t>950°f)
F09 Possible short circuit on dis-
play board micro pins
F10 Possible short circuit on dis-
play board circuits
F11 Display board eeprom data
F12 Electronic boards over temper-
ature (t>95°c) in cooking
modes.
Electronic boards over temper-
ature in a double oven,
(t>105°c) to stop only the lower
one when the upper is running
in self-clean.
F13 Meat probe error
Note: The meat probe option is
not available in standard
series.
F14 Communication problem
among the electronic boards
WHEN A FAILURE OCCURS, THE DISPLAY SHOWS THE WRITING FXX Err, WHEREAS xx IS ONE OF THE ERROR CODES
LISTED IN THE TABLE.
TO RESET THE FAILURE, FIRST THE CAUSE MUST BE REMOVED. THE COOKING MODE AND THE TEMPERATURE
SELECTORS MUST BE TURNED INTO [OFF] AND [PRESET] POSITIONS RESPECTIVELY.
Description
The control reads out of range
values.
The control can't perform any
locking or unlocking cycle
within the maximum allowed
time.
Runaway temperature condi-
tion during cooking.
Runaway temperature condi-
tion during self-clean.
Hardware failure.
Hardware failure.
Memory empty
Memory cannot be accessed
Overheating of the internal
parts.
Overheating of the internal
parts.
The control can't perform any
cooking through meat probe
Problem on the i2c communi-
cation bus.
Possible Cause
Temperature sensor shorted or
broken.
Bad connections
Bad power board
Latch mechanism problem.
Latch motor problem
Door micro switch breaks during
self-clean when the door is
locked
Bad connections
Defective power board
One or more relays are stuck,
driving heating elements.
Check the contact of relay
One or more relays are stuck,
driving heating elements.
Check the contact of relay
Humidity may have created con-
densation on the circuits.
Short circuit on display board.
Humidity may have created con-
densation on the circuits.
Short circuit on display board
connectors.
Short circuit on display board.
First power up or new board
installed.
Bad memory or circuit on board. Replace power board
Bad cable connection
Defective circuit on display board. Replace display board
Cooling fan broken
Bad connections between cooling
fan and electronics.
Air flow through the cooling chan-
nel is not sufficient.
Defective cooling fan relay on
main power board
Faulty ntc sensor on main power
board
The control has detected too
much heat and prevents the user
from using both cavities together.
Bad connections or short circuit Check the harness near the
Defective meat probe board
Bad connections
19
HL-BD82S
Corrective Action
Replace the sensor
Check the connectors and the
harness
Replace the power board
Replace the motor
Replace the door micro switch
Check the motor connections
and the micro switches con-
nections
Replace the power board
Replace the power board
Replace the power board
Remove power and dry the
board.
Replace the display board.
Remove power and dry the
board.
Check connectors and even-
tually clean or replace the
board to board cables.
Replace the display board.
Configure the oven model.
(resistor configuration + man-
ual test)
Check and eventually replace
cable.
Replace the cooling fan
Check connections
Check proper installation. The
slot between the control panel
and the door must be free.
Replace the main power
board.
Replace the main power
board.
Wait for the oven cools down
probe connection
Replace the board
Check and eventually replace
one of the board to board
cables.
section
7.13.
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7.16.
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7.8.
7.9.
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7.16.
7.16.
7.16.
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7.18.
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7.18.
4.2.
5.12.
7.16.
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7.18.
7.2.
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7.16.
7.16.
7.23.
7.22.
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