NEFF U17M42 5GB Series, Instruction Manual

23

Faults and repairs

It is not always necessary to call the after-sales service. 

Sometimes, you can find a remedy yourself. You will find some 

tips for troubleshooting in the following table.

: 

Risk of electric shock!

■

Work on the appliance electronics may only be performed by 
a specialist.

■

Always disconnect the appliance from the power supply 

when work is carried out on the electronics. Switch off the 

circuit breaker or remove the fuse from your household fuse 

box.

Replacing the oven light bulb

Replace faulty oven light bulbs. 
Spare bulbs can be obtained from the after-sales service or 

specialist retailers. Use the following oven lights for the top 

oven and the main oven: E14, 220 - 240 V, 25 W, heat-

resistant to 300 °C

: 

Risk of electric shock !

Disconnect the appliance from the power supply. Switch off the 
circuit breaker or remove the fuse from the household fuse box.

1.

Place a tea towel in the cold cooking compartment to prevent 

damage.

2.

Turn the glass cover anticlockwise and remove it. 

3.

Replace the oven light bulb with a bulb of the same type.

4.

Screw on the glass cover again.

5.

Remove the tea towel and switch on the circuit breaker.

Note: 

Use rubber gloves if the glass cover cannot be 

unscrewed: Or order a special removal tool from the after-sales 

service:

■

For the main oven: Order no. 613634

■

For the top oven: Order no. 621743

Changing the door seal

If the door seal is defective, it must be replaced. Replacement 

seals for your appliance can be obtained from the after-sales 

service.
The door seal is attached in four places (figure A). When 

replacing it, disconnect and attach the hooks at all four points 

(figure B).

Check again to ensure that the seal is seated correctly in the 

corners in particular.

Problem

Possible cause

Remedial action

Electrical operation is malfunctioning (e.g. 

indicator lamps do not light up)

Faulty circuit breaker

Check fuses in the fuse box and replace if 

necessary

Liquid or runny dough runs to one side

Appliance not installed level

Check the appliance installation (see the 

Installation instructions)

‹

:

‹‹

 flashes in the clock display

There was a power cut

Reset the clock (see section: Electronic 

clock)

Electronically controlled functions are mal-

functioning

Energy surges (e.g. lightning strike)

Reset the function concerned

Smoke is generated during roasting or grill-

ing

Fat is burning on the grill element

Continue grilling or roasting until the fat on 

the grill element is burnt away

Wire rack or universal pan inserted incor-

rectly

Check the shelf height (see section: 

Roasting or grilling)

High levels of condensation are generated 

in the cooking compartment

Normal occurrence (e.g. when baking 

cakes with very moist toppings or roasting 

a large joint)

Open the appliance door briefly from time 

to time during operation

Enamelled accessories have light, matt 

spots on them

Normal occurrence caused by dripping 

meat or fruit juices

Not possible

Door panels are misted up

Normal occurrence caused by tempera-

ture differences

Heat the appliance up to 100 °C and then 

switch off again after 5 minutes

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