12
Troubleshooting
CAUTION:
Do not disassemble this pump without the manufacturer’s permission. The warranty does not cover unauthorized disassembly.
If the remedial actions in this table do not eliminate the faults or the faults encountered are unmentioned in this table, please contact
Customer Service.
Problem
Probable Cause
Resolution
The engine experiences difficulty starting
up, does not start up, or does not produce
sufficient power.
Fuel is insufficient.
Refill recommended fuel.
On/off switch is not turned on.
On/off switch is turned to “On” position.
Choke is not closed.
Close the choke.
Too much carbon deposit in spark plug.
Eliminate carbon deposit.
Gap of spark plug is not correct.
Adjust gap of spark plug to specified range.
Spark plug is damaged.
Replace spark plug.
Use engine oil of poor quality or engine oil
deteriorates.
Replace engine oil.
Overload or overheat.
Check operating status.
Engine oil is insufficient.
Add appropriate volume of engine oil.
The pump is either not pumping water or
there is not enough pressure when running.
There is blockage in the filter.
Remove the blockage.
There is inadequate priming in the pump.
Unscrew the water filling plug and fill with
clean water.
Blockage, drop-out, leakage of water pipe,
or too long or insufficient diameter of the
pipe.
Check the water pipe.
Water suction does not sink into water.
Adjust the position of water suction, so that
it is completely submerged in water.
Water suction pipe joint leaks.
Check water pipe joint.
The installation height of the water pump is
too high.
Decrease the installation height of the water
pump.