Troubleshooting, Problem, Cause solution – North Star PROVEN PERFORMANCE M1578112G User Manual
Page 20: Any questions, comments, problems or parts orders

Troubleshooting
20
Problem
Engine will not start
SOLUTION: A,B
Low/Surging pressure or no water flow
SOLUTION: C,D,E,F,G,H
No chemical injection SOLUTION:
I,J,K,L
Cause Solution
A- Low oil shutdown
See engine manual for oil requirements
B- Engine starting instructions not followed
See engine manual for starting instructions
C- Insufficient water supply
See water supply section of this manual
D- Plugged pump inlet filter
See maintenance section of this manual
E- Wrong nozzle
Make sure high pressure nozzle is being used
F- Plugged nozzle
Remove nozzle, check for blockage
G- Worn nozzle
Replace nozzle
H- Leak in pressure hose
Replace pressure hose
I- Wrong nozzle
Make sure chemical nozzle is being used
J- Back pressure from extra long discharge hose
Try shorter hose
K- Leak in chemical siphon hose
Replace hose – use hose clamps if necessary
L- Chemical strainer not submerged
Make sure strainer is completely submerged
Any Questions, Comments, Problems or Parts Orders
Call NorthStar Product Support 1-800-270-0810