EN
6
Maintenance
Setting maintenance date
gating in the menu", page 31 ).
Self-diagnosis system (SDS)
The self-diagnosis system checks the described system functions automatically (interval adjustable). These settings are
see "Menu texts Aqualift 230V", page 32
). 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 date (flashing)
- Maintenance date is reached
- No maintenance date entered
- Carry out maintenance
- Enter maintenance date (see 6.1)
Undercurrent 1 or 2
- Minimum power consumption of the
pump 1 or 2 not reached
- Pump is defective
Check cable and replace if necessary,
check pump and 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
Power contactor does not switch off
Disconnect the control unit from the mains,
replace the control unit.
Power outage
-Power supply has failed
-Device fuse has failed (tripped)
- Mains supply cable is interrupted
- general power outage
- Check fuse
- Check mains supply cable
Level error
Incorrect assignment or cabling of the
probes (float switch, pressure switch,
level probe or airtightness of the pressure
system)
Functional check, troubleshooting
Pressure loss
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.
none, Start screen
USB flash drive without assigned name or
USB hard drive connected
Disconnect power supply, unplug con-
nected USB medium and restore power
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