Troubleshooting - Kessel Comfort Plus SD Instructions For Installation, Operation And Maintenance

4

Troubleshooting

Display text
Battery fault
Maintenance due
(flashing)
Undercurrent 1 or 2
Overcurrent 1 or 2
Relay fault 1 or 2 Power contactor does not switch off.
Power outage
Temperature fault
1a or 2a
Temperature fault
1b or 2b
Level fault
Phase outage
Rotary field fault
Motor protection
1 or 2
Pressure loss
Pressure fault
Max. Switching
cycles
1 or 2
2018/02
Troubleshooting
Possible cause
Battery is missing, is faulty or voltage less than
13.5V.
- The maintenance date has been reached
- No maintenance date entered
- Current consumption of the pump below the
minimum value
- Cable interrupted between control unit and
pump
- Pump faulty
Maximum current consumption of pump
exceeded, perhaps impeller blockage
- Power supply has failed
- Device's micro-fuse (S1) has triggered
- Power supply has failed, power contactor has
triggered
- Main switch faulty - mains supply cable
interrupted
Self-resetting temperature monitoring has
triggered.
NON-self-resetting temperature monitoring
has triggered.
Incorrect assignment or cabling of the probes
(float switch, pressure switch, level probe or
airtightness of the pressure system)
Incorrect probe configuration (e. g. level sensor
configured but pressure switch connected)
Phase L2 or L3 no longer available
Wrong rotary field for mains connection
- Motor protection switch has triggered - motor
protection switch set incorrectly.
- Pumping current too high due to faulty or
blocked pump.
- Increased current due to phase failure
Hose on the screw fitting to the immersion pipe
(or submersible pressure switch) or control unit
leaking.
Pressure lose in pneumatic level recording
Maximum operating cycles exceeded
Remedial measure
Check battery charge state, correct connection
and damage to the battery connection terminals.
- Carry out maintenance
- Enter maintenance date.
Check cable and replace if necessary, check
pump and replace if necessary.
Clean the pump and check the impeller for
smooth running
Disconnect the control unit from the mains,
replace the contractor.
- None, general power outage
- Check fuse
- Check main switch
- Check the mains supply cable when switching
off intentionally, shutting down control unit (see
4.4)
Self-resetting - the pump starts again
automatically when the motor has cooled down.
The fault message is acknowledged automatically.
Replace the pump if the temperature fault occurs
frequently.
NON-self-resetting - the pump remains inactive
even after the motor has cooled down. The control
unit has to be switched off and then back on
again.
Replace the pump if the temperature fault occurs
frequently.
Functional check, troubleshooting
Check power supply cable and fuses.
- Set current value according to pump.
- Replace pump if faulty - check power supply for
Check airtightness of the pressure sensor system.
Can be acknowledged. Inform Customer Services.
Fault appears after a further 1000 operating cycles.
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Swap 2 phases of power cable.
- Remove blockage.
phase failure.
Carry out self-diagnosis