Fault Codes On The Display; Temperature Alarm - Gram SF 930 Bedienungsanweisung

In this situation, switch off power to the cabinet and check to make sure the
condenser has not been covered in some way. If it has not, the high temperature can
be a sign that the condenser needs cleaning. A brush or a vacuum cleaner can be
used to clean the condenser. Start the cabinet again. After an hour it should be
running normally. If the red LED begins to flash again, request service assistance.

Fault codes on the display

F1 If code F1 is displayed it means that the cabinet temperature sensor is
defective and service assistance should be requested. In the meantime,
the cabinet itself will try to maintain the set storage temperature.
F2 If the display alternates between temperature and fault code F2 there are
problems with the temperature sensor on the evaporator. This will have no
effect on the operation of the cabinet, but the sensor should be replaced
as soon as possible. Request service assistance.
F3 If the display alternates between temperature and fault code F3 there are
problems with the temperature sensor on condenser 1. This has no effect
on the operation of the cabinet, but the sensor should be replaced as soon
as possible. Request service assistance.
F4 The code F4 indicates the existence of a programming fault. Request
service assistance.
F5 If the display alternates between temperature and F5, there are problems
with the temperature sensor on condenser 2. This has no effect on cabinet
operation, but the sensor must be replaced. Request service assistance.
F11 If the display alternates between temperature and F11, there are problems
with the control. Service assistance should be requested immediately.
Meanwhile the cabinet will itself try to maintain the set temperature.

Temperature alarm

If the temperature is a certain number of degrees higher or lower than cabinet
setting, the temperature display flashes to indicate an alarm.
Placing many warm items in the cabinet or leaving the door open frequently or for
long periods can cause a temperature rise, an alarm, and a flashing display.
This is all quite natural and does not mean there are problems with the cabinet. After
a short time the temperature will return to normal.
Manual defrost (see section on defrosting) can also trigger an alarm, in that the
displayed temperature will rise for a short time and then fall again - but without the
items in the cabinet being affected.
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