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8.7 No Jets
This is a condition of constant zero water pressure. The rst step in diagnosing the
problem is to determine if the pump is actually turning. Once this determination is made,
follow the appropriate portion of this S.T.A.
Diagnostic Tools: Voltmeter, spare control panel.
Suggested Spare Parts (Page 59): Control panel, circuit board, pump.
Pump Is Turning - Checking For A Flow Problem
1.
2.
3.
Is the lter clogged?
Is there an obstruction in the plumbing line?
Check for an air lock (clear the air lock by opening the pump union on the discharge side or loosen-
ing the diverter cap, with the pump off).
Pump Not Turning;
Standard Troubleshooting Approach
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Ex-
treme Caution While Servicing Circuit Board.
Press JETS Button to turn on
jets pump.
Do you hear a relay click on the
circuit board?
Replace control
panel.
Replace circuit
board.
Repair wiring.
Plug in spare control panel then press
JETS Button.
Do you hear a relay click on the circuit
board?
No
Replace circuit board.
No
Ye
s
Ye
s
Is voltage from circuit board to
main pump correct? Check for
240 VAC (120 VAC for J315,
J325 models) at recommended
test points. See table at right
for a listing of recommended
test points.
Is connection between circuit
board and pump OK?
Replace pump.
Yes
Ye
s
No
No
Circuit Board Illustrations
A. 2002+ Protech LED Models (Page 50-51)
Recommended Test Points
1. Low Speed Pump 1 - test points 18 & 19
2. High Speed Pump 1 - test points 18 & 20
3. Pump 2 - test points 21 & 22