Troubleshooting - Zuwa P80 Manual

ZUWA Solarcheck Mobilcenter
6. Maintenance
Danger of death due to electric shock
> Prior to work on the pump, always disconnect the drive from the
Danger
Danger of environmental damage due to hazardous pumped media
> Collect escaping pumped media and dispose of according to the
Caution
6.1 Connections
> Check regularly if hose couplings are tight.
6.2 Cleaning the filter
There is a built-in fine filter on the suction side of the pump to filter out sold and welder
residues.
Check the inspection window at the filter regulraly and clean the filter when you see
dirt deposits on the strainer:
> Screw off the filter casing, remove the strainer and clean both with rinsing water or
compressed air.

7. Troubleshooting

Fault
Pump does not take in
liquid
Pump does not build up
pressure
Motor is noisy - pump does
not start
18
power supply.
locally applicable regulations.
Possible cause
Suction hose between tank
and pump is not leaktight
Stop valve at the tank outlet
closed or tank empty
Filter clogged
Pressure line blocked
Stop valve at the tank outlet
closed
Filter clogged
Impeller is stuck in pump
head
Capacitor broken
Remedy
Seal hose connection or
suction line
Open the stop valve or
fill the tank
Clean the filter (see
chapter 6, maintenance)
Clean pressure hose
Open stop valve
Clean the filter (see
chapter 6, maintenance)
Unfasten 3 screws from
pump head. Remove
pump head, pull out and
clean impeller
Replace