Kessel Aqualift Comfort 230V Duo, Operating Manual

Page: 39 / 120

6 Maintenance
Setting maintenance date
The maintenance date is set via Menu 2, Item 2.4. Follow the screen dialogue (for details of operation, seesee "Fig. 3: Navi-
gating in the menu", page 33 ).
Self-diagnosis system (SDS)
The self-diagnosis system checks the described system functions automatically (interval adjustable). These settings are
made via Menu 3.1.9 ( see "Menu texts Aqualift 230V" ). Test: Pump 1, Pump 2 (Duo), Battery
If an error occurs, a plain text message appears in the display and the alarm LED lights up
Calibrate pressure sensor
A normal ageing process can cause deviation of the level at the pressure sensor. The pressure sensor can be calibrated
under menu item 2.7. and takes place automatically.
Please note that the calibration should be carried out at a room temperature of 10°C to 30°C.
Annual calibration is recommended.
Troubleshooting
Display text Possible cause Remedial measure
Battery error Battery is missing, is faulty or the remain-
ing voltage is too small
Check the battery connections, replace
battery if necessary.
Maintenance due (flashes) - The maintenance date has been
reached
- Carry out maintenance
Undercurrent 1 or 2 - Minimum power consumption of pump 1
or 2 not reached
- Pump is defective
Check cable, replace if necessary
Check pump, replace if necessary
Overcurrent 1 or 2 Maximum power consumption of the
pump exceeded, possible impeller block-
age
Clean the pump and check the impeller for
smooth running, replace if necessary.
Relay error 1 or 2 Switching relay does not switch off Disconnect the control unit from the mains,
replace the control unit
Power outage - Power supply has failed
- Mains supply cable interrupted
- general power outage
- Check mains supply cable
Level error Incorrect layout or wiring of the sensors
(float switch, pressure switch, level probe
or tightness of the pressure system); sen-
sor is defective
Functional check, troubleshooting
Pressure loss/pressure error Hose is leaking at the fitting to the immer-
sion pipe (or submersible pressure
switch) or control unit
Check airtightness of the pressure sensor
system.
Relay cycles 1 or 2 Maximum operating cycles exceeded Can be acknowledged. Inform customer
service. Fault appears after a further 1000
operating cycles.
Max. run time 1 or 2 Pump is running too long per pumping
operation
Check the system design; if necessary,
inform the customer service.
Max. run occur 1 or 2 Pump running too frequently within a
short time
Check the system design; if necessary,
inform the customer service.
EN
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