Installation and operating manual
64
010-532_05
EN
6. Maintenance/troubleshooting
The maintenance date for the system is set in the menu item
|1.4.2 Next maintenance|
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Display text
Possible cause
Remedial measure
Battery fault
Battery is missing, is faulty or voltage less than 13.5V.
Check battery charge state, correct connection and damage to the
battery connection terminals.
Maintenance due
(flashing)
- The maintenance date has been reached
- No maintenance date entered
- Carry out maintenance
- Enter maintenance date.
Undercurrent 1 or 2
- Current consumption of the pump below the minimum value
- Cable interrupted between control unit and pump
- Pump faulty
Check cable and replace if necessary, check pump and replace if
necessary.
Overcurrent 1 or 2
Maximum current consumption of pump exceeded, perhaps
impeller blockage
Clean the pump and check the impeller for smooth running
Relay fault 1 or 2
Power contactor does not switch off.
Disconnect the control unit from the mains, replace the contractor.
Power outage
- 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
- None, general power outage
- Check fuse
- Check main switch
- Check the mains supply cable when switching off intentionally, shut
down control unit (see 4.4)
Temperature fault
1a or 2a
Self-resetting temperature monitoring has triggered.
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.
Temperature fault
1b or 2b
NON-self-resetting temperature monitoring has triggered.
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.
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