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10. PROBLEMS, CAUSES AND REMEDIES
DANGER! Danger to life!
Incorrect troubleshooting poses a risk of fatal injury
from an electric shock.
Fault
Pump does not suck.
No or insufficient delivery.
Motor protection switch triggers or
motor gets hot.
If the fault cannot be fixed, please contact your regional spe-
cialist or your nearest Salmson customer service location or
representative.
11. SPARE PARTS
Spare parts can be ordered from your local specialist and/or
via Salmson customer service.
To avoid queries and incorrect orders, always specify all details
on the data plate with every order.
We reserve the right to make technical changes !
Cause
Incorrect procedure during commissioning.
Pump sucks in air.
Intake strainer clogged.
Discharge port clogged.
Integrated non-return valve on suction side
blocked (only TP 2802).
Suction height too high.
Intake strainer clogged.
Motor's direction of rotation incorrect.
Diffuser blocked.
Impeller is worn.
Available power insufficient.
Impeller blocked.
One phase is interrupted.
14
•Troubleshooting should only be carried out by qualified
specialists!
•Prior to all work, switch off the pump, disconnect the
power supply and secure it against being switched
back on again.
Remedy
Observe the operating instructions.
Check the pipes for leaks.
Clean intake strainer.
Remove pipe and clean discharge port.
Dismantle suction port and remove blockage
from/clean non-return valve.
Check suction height (max. 7.5 m) and adapt
system if necessary.
Clean strainer.
Have the connections of two phases
exchanged by an electrician.
Request customer service.
Check available power on mains side. If
power insufficient, contact the energy pro-
vider.
Request customer service.
Have an electrician find the cause and elimi-
nate it.
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