Gram 860120020, Operation And Service Manual

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Gram Commercial
Technical information
765041466
Description :
Operation- and servicemanual
Gram Process KPS
Compiled. Latest revision. Deleted.
Date Name Date Name Rev.no Date Name
30.09.11 JP 000
Error codes
If the cabinet has a defect or operating troubles occur, the display will typically show an error code.
In the table below you can get information about the error and how to correct it.
Error code
Cause How to correct the error
ALL High Press High pressure switch activated. • The blast chiller is located too close to the
wall behind.
• Ask Gram Service department for skilled
assistance.
ALL Room Sensor Room sensor defect. • Qualified technician required.
Replacement of room sensor.
ALL Evap Sensor Evaporator sensor defect. • The problem may be a frosted evaporator.
• Ask Gram Service department for skilled
assistance.
ALL Cond Sensor Condenser sensor defect.
(this only concerns cabinets with built-
in compressors) • Qualified technician required
• Replacement of the condenser sensor.
ALL Probe Probe sensor defect. • Qualified technician required.
• Replacement of the probe sensor.
ALL Insert Probe Probe sensor not correctly inserted in
the food item, although a probe sensor
cycle is running. The cycle will
automatically change to a
timecontrolled cycle. • Insert probe or ignore the error code.
•
IMPORTANT : If the probe is not used at
Quickguide programmes, it must be heated
before restart of the programme to avoid that
the process starts in storing cycle (cons.)
High T Room The room temperature is / has been
higher than the set point, plus 10°C (in
storing programme)
Example:
The set point is set to +2°C. The upper
alarm threshold will in this case be
+12°C. • Qualified technician required.
Low T Room The room temperature is / has
been below the set point, less 10°C
(storing cycle).
Example:
The set point has been set to +2°C.
The lower alarm threshold will then be
-8°C. • Qualified technician required.
ALL BlackOut The power supply has been
disconnected. • When power is restored, you can see under
ALARM how long this blackout has lasted,
and what the maximum temperature has been.
ALL Door Open Door is open.
Door microswitch defect. • Close the door.
• If the error code is still shown in the display
after the door has been closed, a qualified
technician is required.