7.5.4 System alarms - cooling
F51 Tank overflow protection
Fault is displayed, when the maximum filling quantity of the tank has been
achieved. See section 9.24.
F52 Water in cleaning line - cooling mode
In cooling mode, water has been detected in the washing line through one of
the level inputs.
Possible cause of fault:
- one of the water valves open
Parameters set in [P40] to determine whether only a fault report blinks in the
display or whether the outlet valve of the washing line is also opened.
F53 Thermal protection for compressor
The compressor's motor protection has triggered.
Possible cause of fault:
- Compressor overheated / faulty
F54 Agitator monitoring
Alarm is only possible, if the "
stirring unit monitoring" is installed and
Fabdec
parameterized [A71] and activated in parameter [P24]!
Alarm occurs if the stirring unit monitoring detects one of the following stirring
unit errors:
- no stirring unit activity, although stirrer was switched on.
- stirring unit activity, although stirrer was not switched on.
F55 Timeout ‘volume depended’ cooling start
Timeout compressor downtimel (in case of "milk-volume-dependent cooling
start delay"). See also parameter [P55].
Alarm is only active if parameter [P61] is parameterized to 6 or 7.
F56 Temperature sensor fault
The control unit is not receiving any signals from the sensor.
Possible cause of fault:
- Temperature sensor faulty
- Sensor cable damaged
Function “EMERGENCY cooling” is possible, if parameters set in [P4].
Consequence:
i OFF mode:
- fault code F56 is indicated
n
i
- fault code F56 is indicated
n cooling mode
,
-
,
compressor is switched off
-
indicated
alarm is
and stored
i
:
- fault code F56 is indicated
n cleaning mode
,
-
,
heating is stopped
- clean
clean
ing continues,
ing fault
F57 Temperature sensor short circuit
as F56, but fault code F57 is displayed.
F58 Temperature sensor out of range
Sensor reports upward or downward exceeding of measuring range
as F56, but fault code F58 is displayed.
7. Tank monitor and general fault handling
Page 40
T1
T2
°C
Summary of Contents for CB2-1L120000
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