TROUBLESHOOTING
Problem
The unit does not
shut down
The motor oper-
ates but provides
no flow.
The pressure is not
sufficient.
The unit is con-
stantly stopping
and starting.
The unit does not
start.
Cause
Tap or cistern leak.
Air entering suction
channel.
Leak in discharge pipe-
work.
Closed gate valve.
Air entering suction
channel.
Total head height.
Air entering suction
channel.
Leak in discharge pipe-
work.
Tap or cistern leak.
Plump block.
No power.
The static head is
greater than the assem-
bly start pressure.
Solution
Repair leak.
Carefully seal all joints
and connectors.
Repair leak.
Open valve.
Carefully seal all joints
and connectors.
Check geometric height
plus loss of head.
Carefully seal all joints
and connectors.
Repair leak.
Repair leak.
Call service agent.
Check fuses.
Check start-up setting is
correct.
EN
13