
NOTE: A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON.
BEFORE TOUCHING any parts of the oven, always remove the power plug from the outlet.
For about 60 seconds after the oven stops, an electric charge remains in the high voltage capacitor. When replacing or checking, you must wait to permit the capacitor
discarding.
Troubleshooting guide
4.1
Error Message
Code
Error
Description
Possible Cause
Corrective Action
section
ERROR 1
Temperature sensor
disconnected or shorted.
The control reads out of
range values.
Bad connection
Temperature sensor broken.
Check the connectors and the harness
Replace the sensor
7.14
ERROR 2
Door micro switch open
Hardware failure.
Door
micro
switch broken
Replace the door micro switch
7.9
ERROR 3
Electronic boards over
temperature (more than
85°C)
Overheating of the
internal parts.
Cooling fan broken
Replace the cooling fan
7.2
Bad connections between cooling fan
and electronics.
Check connections
--
Air flow through the cooling channel is
not sufficient.
Check proper installation. The slot between
the control panel and the door must be free.
--
Defective cooling fan relay on main
power board
Replace the electronic board.
7.18
Faulty NTC sensor on main power
board
Replace the electronic board.
7.18
ERROR 4
Electronic boards sensor
temperature damaged
Hardware failure.
--
Replace the electronic board.
7.18
ERROR 5
Flexible key board
damaged
Hardware failure.
--
Replace the electronic board.
7.18
Содержание CM209WH
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