Gunter & Hauer FN 315 ID, User Manual

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Troubleshooting

Caution!

 Before troubleshooting, disconnect the power supply. Only a qualified electrician of 

competent person must do the troubleshooting that is not in this manual.  

Important!

 There are some sounds during normal use (compressor, refrigerant circulation).

If the malfunction shows again, contact the Service Center.
These data are necessary to help you quickly and correctly. Write the necessary data here, refer to the 
rating plate.

Mains plug is not plugged in 

or is loose

Check fuse, replace if necessary.

Socket is defective

Mains malfunctions are to be 

corrected by an electrician.

Problem

Solution

Fuse has blown or is defective

Insert mains plug.

Unusual noises

Appliance is not level.

The appliance is touching the 

wall or other objects.

Re-adjust the feet.

Move the appliance slightly.

A component, e.g. a pipe, on 

the rear of the appliance is 

touching another part of the 

appliance or the wall.

If necessary, carefully bend the 

component out of the way.

Possible cause

Appliance does not 

work

Temperature regulation knob is 

set at 

coldest

Set the knob at other 

switch on the 

appliance. 

Water drain hole is blocked.

Water on the floor

See the Cleaning and Care section.

Side panels are hot.

It’s normal. Heat exchange 

parts are in the sides.

Take gloves to touch sides

 if needed

.

Appliance freezes or 

cools too much

Turn the temperature regulator to a 

warmer setting temporarily.

Temperature is set too cold or 

the appliance runs at coldest.

Temperature is not properly 

adjusted.

Please look in the initial 

Temperature Setting section.

Door was open for an extended 

period.

Open the door only as long as 

necessary.

A large quantity of warm food 

was placed in the appliance 

within the last 24 hours.

Turn the temperature regulation to a 

colder setting temporarily.

The food is not frozen 

enough.

Please look in the installation 

location section.

The appliance is near a heat 

source. 

Door seal is not air tight.

Heavy build up of

frost on the door 
seal.

Carefully warm the leaking sections 

of the door seal with a hair dryer (on 

a cool setting). At the same time 

shape the warmed door seal by 

hand such that it sits correctly.