Specifications
8
TROUBLE SHOOTING
REMEMBER that rate of flow is dependant upon the head - i.e. the greater the head
the lower the flow. Check the specifications for your pump on pages 9 to 11.
The pump does not run 1. No mains supply 1. Check fuse - replace if
necessary (13 Amp).
2. Impeller seized / blocked 2. Disconnect pump from mains,
disassemble, and clear
blockage.
Thermal overload has 1. Incorrect mains voltage 1. Check and rectify.
operated switching OFF 2. Impeller seized / blocked 2. Disconnect pump from mains.
disassemble, & clear blockage.
3. Pump ran with hot water 3. Do not pump water at a temp.
greater than 35
O
C.
4. Pump ran dry 4. NEVER run your pump dry.
Investigate the cause & rectify.
Pump runs but no output 1. Air in pump housing 1. Disconnect from the mains and
prime pump correctly.
2. Suction fault 2. Verify that suction pipe is
completely sound and all
connections are air tight.
3. Suction height too great 3. Check height is within spec. for
your pump.
Low or no Flow 1. Blocked inlet pipe 1. Investigate and rectify.
2. Blocked impeller 2. Disassemble pump and clear
blockage.
3. Head too high 3. Check that head is within spec.
PUMPS WITH HYDROTRONIC UNIT
Pump runs non-stop 1. Leaks on output side 1. Ensure connections are water
or cuts in and out tight. Check to ensure no taps
rapidly are leaking. Smallest leak will
cause Hydrotronic unit to
operate.
2. Non-Return valve faulty. 2. Check and rectify.
CPE100TF, CBM100SS, CBM130SS and CBM250SS
Pump switches on and 1. Low air pressure 1. Check pressure and re-charge.
off rapidly 2. Membrane damaged 2. Consult your CLARKE dealer.
Pump switches on & off 1. Leak in output side. 1. Investigate and rectify.
when no water is being 2. Non-Return valve faulty. 2. Check and rectify.
drawn.
Pump does not switch 1. Pressure switch faulty 1. Consult your CLARKE dealer.
OFF 2. No water at pump inlet 2. Check for blockage.
3. Faulty Impeller 3. Disasemble and investigate.
Should you still experience problems, then contact your Clarke dealer, or CLARKE
International Service Department for advice.