TROUBLESHOOTING
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Trouble Probable Cause Remedy
No power Pump is stuck Turn the motor manually (see page 15).
Thermal overload has tripped Switch OFF and let the machine cool
Faulty power cable This should be replaced immediately by a
qualified person
Power supply fuse blown Replace fuse
Pump is not producing Water inlet filter blocked air leaks Clean the filter
full power at connections or hoses Check that all the connections are locking and
are tight.
Check the water inlet hose pipe is not leaking.
Suction/delivery valves are Clear or replace valves.
clogged or worn out
Unloader valve is stuck. Loosen and retighten regulation server.
Lance nozzle incorrect or worn out. Check and/or replace.
Fluctuating pressure Pump sucking in air Check that all hoses and connections are
airtight
Valves dirty, worn out or stuck Clean or replace.
Sealing worn out. Check and replace.
Water leaking from pump Sealing worn out. Check and replace.
The motor stops suddenly Thermal safety overload switch has Switch the unit off and let it cool for 5-10 mins.
tripped due to overheating.
W
ARNING:
FOR YOUR OWN SAFETY TURN SWITCH OFF AND REMOVE PLUG
FROM POWER SUPPLY.
IMPORTANT:
PLEASE NOTE ALL REPAIRS/ADJUSTMENTS SHOULD BE CARRIED
OUT BY A QUALIFIED PERSON.
POWER DIVISION HELPLINE:
(01703) 494344
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