7. Tank monitor and general fault handling
Page 38
7.5.3 System alarms - ingclean
When a washing cycle has been completed successfully, this is indicated by the
green LED “OK”. A new mode can then be started.
If a fault occurs during a washing cycle:
the cycle is interrupted, the red LED “Fault” flashes, the yellow mode indication
“Wash” remains permanently lit. A code in the display indicates the type of fault.
Acknowledge the fault report and switch to OFF mode: press down OFF button
for 3 seconds.
NB: If “Automatic start to cooling” has been set, this will not happen. Cooling
mode must be started manually in this special case.
or
the ing cycle continues to the end,clean the red LED “Fault” flashes, the yellow
mode indication “Wash” remains permanently lit. At the end of the cycle the
control unit switches to OFF mode, a code in the display indicates which fault
has occurred.
NB: If “Automatic start to cooling” has been set, this will happen.
Independently of the start to cooling, the fault code continues to blink until it is
cancelled using the OFF button.
F40 Safety switch for butterfly valve (only if [r10] = 1 or 2)
- washing stops
- outlet valve is opened for time [n100]
(during the emptying phase the display alternates between F40 and AbL)
- the red LED “FAULT” then flashes, with error code F40
During washing the digital input for the tank outlet safety switch [r10] was
triggered.
Possible cause of fault:
- manual butterfly valve on tank outlet was closed.
F41 Pressure switch for ing line clean
- washing stops
- outlet valve is opened for time [n100]
(during the emptying phase the display alternates between F41 and AbL)
- the red LED “FAULT” then flashes, with error code F41
During ing the pressure switch has not recognised pressure for a period clean
longer than that set in [r11].
Possible cause of fault:
- leak in washing line
- pressure switch faulty
- air in washing line
- washing pump faulty
F42 Thermo-protection - cleaning pump
- washing stops
- outlet valve is opened for time [n100]
(during the emptying phase the display alternates between F42 and AbL)
- the red LED “FAULT” then flashes, with error code F42
During washing the thermal contact of the washing pump has triggered (if
parameter set in [r12].
Possible cause of fault:
- Clean .ing pump overheated
3 sec.
T1
T2
°C
OFF
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