Oven Not Operative; Cooling Fan Problems - Blomberg BWOS 30100 Service Manual

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.

4.2 OVEN NOT OPERATIVE

Anomaly
Oven does not run
No power supply
Oven does not run
Power supply ok.

4.3 COOLING FAN PROBLEMS

Anomaly
Fan does not run
No power supply
Fan does not run
Power supply ok.
Noisy fan
The cooling fan is
always on
BWOS 30100 SERVICE MANUAL
bus.
Possible
Corrective Action
Cause
Main breaker or Replace the fuses
main fuses
Short circuit Find the short circuit and
remove it
Connections to Replace power board
Display or the
Power board
Possible
Corrective Action
Cause
78Ω resistor Replace 78Ω resistor
broken
Power board Replace Power board
relay not
switching
Blocked rotor Replace fan
Burned coil Replace fan
Lose Check attachment screws on
attachment cooling assembly or replace
screws on fan
cooling
assembly
The control is Turn the cooking mode
measuring a selector in a cooking mode
high position,F01 (F02) should
temperature occur.
inside the cavity
36
the board to
board cables.
section
7.17
section
7.12
7.17
7.2
7.3
7.2
7.3
7.2
7.3
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