Product Manual
13
Troubleshooting
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
Specifications
Item #
PSI
GPM
Max RPM
Max Water
Temp
Power
Nozzle
Size
A157204
4000
4.0
1450
140F
15 (gas) / 11 (elec.)
4.0
A157304
3500
4.5
1650
15 (gas) / 11 (elec.)
4.5
A157205
4000
4.5
1750
16 (gas) / 12.5 (elec.)
4.5
A157207
5000
5.0
1750
23 (gas) / 17.5 (elec.)
4.5
A157598
4000
7.0
1750
25 (gas) / 18.5 (elec.)
7.0
A1572041
4000
3.5
3400
15 (gas) / 11 (elec.)
3.5
A1572042
3000
5.0
1450
15 (gas) / 11 (elec.)
5.5
A1572081
4000
4.5
1450
16 (gas) / 12.5 (elec.)
4.5
A1572082
3000
6.0
1450
16 (gas) / 12.5 (elec.)
7.0
A1572091
5000
5.0
1750
23 (gas) / 17.5 (elec.)
4.5
A1572092
3500
7.0
1450
23 (gas) / 17.5 (elec.)
7.0
A157134
4000
3.5
1450
15 (gas) / 11 (elec.)
3.5
A157136
4000
3.5
1450
15 (gas) / 11 (elec.)
3.5
A1571107
1500
2.0
1650
3 (gas) / 2 (elec.)
2.0
A1571108
2500
3.0
1450
8 (gas) / 6 (elec.)
3.5
A1571109
3000
4.0
1750
11 (gas) / 8 (elec.)
4.5
The manufacturer reserves the right to make improvements in design and/or changes in
specifications at any time without incurring any obligation to install them on units
previously sold.
Any Questions, Comments, Problems or Parts Orders
Call NorthStar Product Support 1-800-270-0810