8
Malfunctions
56
EN VG
766.2330.061
05/2013
Problem
Possible Cau-
se
Possible solution
No water jet despite the
unit being turned on.
- Air in the sys-
tem
- Leakage in the
suction line
- Air drain valve
leaking or not
closed
Check screws, re-
place seals.
Ventilate the pump
and suction line.
See point 6.1,
page 51
8.1.1
Overload switch has triggered.
If the built-in or external overload switch triggers, implement the follow-
ing steps:
Separate the unit from the power supply.
–
Turn the motor shaft on the fan side with a screwdriver and
check that it is running smoothly.
Motor shaft not running smoothly:
Remove screwdriver.
–
Notify customer services and have the overhang counter swim
unit inspected.
Motor shaft runs smoothly:
Remove screwdriver.
–
Reconnect the power supply.
If the pump has seized, repeated starting can damage the motor.
Only switch the unit on once.
–
Wait until the motor has cooled and only then reset the over-
load switch
–
Have an electrician check the power supply, safeguards and
power consumption.
–
If the built-in or external overload switch trips again, notify cus-
tomer services.
