Product Manual

6
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
D. LOW FLOWRATE 1. Low voltage Check battery voltage. Confirm voltage is correct.
2. Wiring problem Confirm correct polarity and all connections are tight. Confirm
wire size is correct and not too small.
3. Clogged filter assembly Remove and clean filter assembly or replace.
4. Air leak in system Check for air leaks at all joints. Reseal and tighten.
5. Bypass poppet stuck open Remove bypass poppet and clean. If damaged, replace.
6. Vanes worn or sticking Remove any obstructions. Check rotor slots and vanes for
excessive wear. Replace if damaged.
7. Outlet is blocked Check all accessories for blockage. Remove any obstructions.
8. Clogged or broken suction pipe Remove pump and clear suction pipe, replace as needed.
9. Fuel level low Fill tank.
10. Using off-the-shelf automatic Factory-supplied automatic nozzle is recommended.
nozzle
11. Hose damaged Replace hose.
E. MOTOR STALLS WHEN 1. Bypass poppet stuck closed Remove bypass poppet and clean or replace as needed.
NOZZLE IS CLOSED
2. Rotor or vanes worn Check rotor and vanes for excessive wear. Replace as needed.
3. Low voltage Check incoming battery voltage and tighten wiring connections.
4. Motor defective UL Listing requires specific treatment for motor replacement,
contact factory.
F. FUEL LEAKAGE 1. Threaded joints loose Check and reseal threaded joints.
2. Insufficient bolt torque Retighten bolts.
3. Lost or damaged O-rings Check O-rings for damage. Replace as needed.
4. Shaft seal worn or damaged Fuel leaking from drain hole indicates shaft seal needs to
be replaced.
5. Hose damaged Replace hose.
G. MOTOR OVERHEATS 1. Pumping high viscosity fluids Pump only low viscosity fluids.
2. Clogged filter assembly Clean filter assembly.
3. Clogged or broken suction pipe Remove pump and clear suction pipe, replace as needed.
4. Duty cycle too long Duty cycle is 30 minutes ON and 30 minutes OFF.
5. Motor failure Ball bearings damaged. UL Listing requires specific treatment
for motor replacement, contact factory.
6. Bypass poppet clogged Remove bypass poppet and clean.
TROUBLESHOOTING