QP3Ti TRASH PUMP • OPERATION AND PARTS MANUAL —REV. #1 (05/07/18) — PAGE 31
TROUBLESHOOTING (ENGINE)
Troubleshooting (Engine) - continued
Symptom
Pilot Lamp Status
Possible Problem
Solution
Weak in power,
compression is proper and
does not misfire.
Green lamp stays on.
Air cleaner clogged?
Clean or replace air cleaner.
Air in fuel line?
Bleed (remove air) from fuel line.
Fuel level in carburetor float chamber
improper?
Adjust carburetor float.
Carbon deposits in cylinder?
Clean or replace cylinder.
Weak in power,
compression is proper but
misfires.
Green lamp stays on.
Ignition coil defective?
Flush fuel system and replace with
fresh fuel.
Ignition plug often shorts?
Replace ignition wires, clean ignition.
Fuel in use inadequate (water, dust)?
Flush fuel system and replace with
fresh fuel.
Engine overheats.
Green lamp stays on.
Excessive carbon deposition in
combustion chamber?
Clean or replace crankcase.
Exhaust or muffler clogged with carbon?
Clean or replace muffler.
Spark plug heat value incorrect?
Replace spark plug with correct type
spark plug.
Rotational speed
fluctuates.
Green lamp stays on.
Fuel flow erratic?
Check fuel line.
Air taken in through suction line?
Check suction line.
Engine running and then
stopped suddenly
Red lamp flashes 2 times
Low fuel or No fuel?
Add fuel.
Oil Alert lamp On and red
lamp flashes 2 times and
repeats.
Low oil or No oil?
Add oil.
Red lamp flashes 3 times
and repeats.
Harness disconnected?
Repair harness connection.
Operation not satisfactory
under DRAIN mode
operation
Green lamp stays on.
Float switch connection failure?
Check for proper connection of float
switch.
Green and red lamps flash
in 0.5 sec interval.
Float switch connection failure
(upside down installation of upper/bottom
float switches)?
Correct connection of float switches.
Green lamp stays on.
Float switch cable disconnected/broken?
Replace float switch cable.
Operation Not satisfactory
under FILL mode
operation
Green lamp stays on.
Float switch connection failure?
Check for proper connection of float
switch.
Green and red lamps flash
in 0.5 sec interval.
Float switch connection failure
(upside down installation of upper/bottom
float switches)?
Correct connection of float switches.
Green lamp stays on.
Float switch cable disconnected/broken?
Replace float switch cable.
Содержание QP3Ti
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