8
TROUBLESHOOTING
PROBLEM SOLUTION
PUMP WILL
NOT ST
ART
1. Check to ensure power is switched on.
2. Check fuse (consult an electrician if in doubt).
3. If extension lead is fitted, check connections (consult an
electrician if in doubt).
4. Internal thermal cut-out has not re-set. Leave for 5
minutes and try again.
5. The impeller may be jammed. Disconnect from the mains
supply,
remove the bottom strainer, and remove any
objects that may be obstructing the impeller. Replace
the strainer and try again.
6. If the pump still fails to start, consult your CLARKE dealer
for advice.
7. Float switch may be jammed against side wall, or
prevented from moving.
8. Water level too low - float switch in OFF position - lift float
to check switch.
PUMP WILL
ST
ART BUT NOT
PUMP
1. Check to ensure strainer is not blocked.
2. Discharge tube clogged or obstructed.
3. The head may be too great, i.e. you are trying to lift the
w
ater too great a distance for the pump to cope with.
(See specification chart page 2).
4. Air bubble in the pump, produced during the plunge.
Plunge the pump again, at an angle, and shake it whilst
lowering to remove any air trapped in the system.
5. Impeller may be damaged - Consult your CLARKE dealer.
PUMP WILL
NOT STOP
1. Float switch may be prevented from moving to the fully
down position.
2. Float switch may be faulty. Consult your CLARKE dealer
for advice.
PUMP STOPS
RUNNING
1. Thermal overload has operated. If this condition persists,
investigate the cause. Are you attempting to pump liquid
which is too heavy for the pump (mud, slurry etc.)
2. Pump has run dry, or float switch has cut in.
3. A foreign object has
jammed the impeller.
To Next Page
Loading...
Need help?
General
