Kessel Aqualift F Comfort 400V Series, Installation And Operating Manual

Page: 57 / 204

Display text Possible cause Remedial measure
|Level error
| Incorrect layout or wiring of the sen-
sors (float switch, pressure switch,
level sensor or tightness of the pres-
sure system).
Sensor configuration is incorrect (e.g.
level sensor configured, but pressure
switch connected).
Functional check as described in the
system documentation.
|Phase failure|
Phase L2 or L3 is no longer applied. Check power supply cable and fuses.
|Rotating field error|
Incorrect rotating field of the mains
connection.
Swap 2 phases of power cable.
|Motor protection 1
or
2
| Motor protection switch has tripped -
motor protection switch set incorrectly.
Pumping current too high due to faulty
or blocked pump.
Excessive current due to phase failure.
Set current value according to pump.
Remove blockage.
Replace pump, if defective. Check
mains for phase failure.
|Pressure loss|
Hose at the fitting to the immersion
pipe (or submersible pressure switch)
or control unit is leaking.
Check tightness of the pressure sensor
system.
|Relay operating cycles|
Maximum operating cycles exceeded. Can be acknowledged. Inform customer
service. Error appears after a further
1000 operating cycles.
|Max. run time 1
or
2|
Pump runs too long per pumping oper-
ation.
Check the system design, if necessary,
inform the customer service.
EN
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