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12 Troubleshooting
Any trouble occurring might be due to a minor problem that you can correct yourself following the instructions be-
low. Do not try any further action if the pointers given cannot solve the problem!
Repairs on the case must be made only by qualified specialists. Incompetent repair work can cause
serious personal danger, contact your Service Organization for any repairs needed.
Trouble
Possible cause
Case does not
Automatic evaporator defrosting
work (no audible
active or thermostat switched off.
running noise or
Power plug not connected or remote
only fan noise
control switch (where provided)
audible).
switched off.
Fuse blown, power plug or socket
defective.
Condenser fins fouled.
Storage tempera-
Automatic evaporator defrosting
ture is too high.
active.
Ambient temperature too high or
thermostat misadjusted.
Ventilation slots blocked or covered.
Lack of air intake due to obstruction
of air intake grille.
Condenser fins fouled.
Storage tempera-
Misadjustment
ture is too low.
Condensation on
During the automatic defrosting
the sliding glass
process, condensation can form
covers
on the surfaces of the glass
(only Practor G).
panes.
Extreme ambient temperature
(e.g. rel. air humidity > 60 %, very
high summer temperatures).
44
Corrective measure
Not required, as cooling will switch on
automatically again.
Insert power plug properly in or
-
switch remote control switch on.
Contact your electrician or the
-
Service Organization.
-
Perform maintenance.
Not required, temporary minor tempe-
rature rise during defrosting is normal.
-
Avoid extreme operating
environment, readjust storage
temperature.
-
Keep ventilation slots free.
-
Remove any obstacles in the air
intake area.
-
Perform maintenance.
Adjust storage temperature in
-
small increments.
-
Condensation dries off again in a
short time.
-
Improve operating environment by
providing adequate cross ventila-
tion.
see
Sect. 5
Sect. 10
Sect. 6
Sect. 10
Sect. 6
Sect. 7
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