39
8.7 No Jets
This is a condition of constant zero water pressure. The first 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. Is the filter clogged?
2. Is there an obstruction in the plumbing line?
3. Check for an air lock (clear the air lock by opening the pump union on the discharge side or loosening 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 Extreme
Caution While Servicing Circuit Board.
Press JETS Button to turn on
jets pump.
Do you hear a relay click on
the circuit board?
Is voltage from circuit board
to main pump correct? Check
for 240 VAC (120 VAC for
convertible models) at recom-
mended test points.
Is connection between circuit
board and pump OK?
Replace pump.
Plug in spare control panel then press
JETS Button.
Do you hear a relay click on the cir-
cuit board?
Replace circuit board.
Replace control panel.
Replace circuit board.
Repair wiring.
No
Yes
No
No
No
Yes
Yes
Yes
Recommended Test Points
1. Low speed pump 1 = 18 & 19
2. High speed pump 1 = 18 & 20
3. High speed pump 2 = 21 & 22
See circuit board diagrams (pages
50-51)
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