No Jets - Jacuzzi LED Series Troubleshooting Manual

8.7 No Jets

This is a condition of constant zero water pressure. The first step in diagnosing the prob-
lem is to determine if the pump is actually turning. Once this determination is made, follow
the appropriate portion of the S.T.A.
Diagnostic Tools: Voltmeter
Suggested Spare Parts: Control Panel, Circuit Board, Jets Pump 1
Pump Is Turning (Checking for A Flow Problem)
1. Make sure jets are open. (Jets can be individually turned off, in some cases.)
2. Is the filter clogged?
3. Is there an obstruction in the plumbing line?
4. Check for air lock (clear air lock by opening union on pump discharge).
Standard Troubleshooting Approach
Refer to pages 43-46 for testing points.
Press JETS Button to turn on
jets pump.
Do you hear a relay click on
the circuit board?
Yes
Is voltage from circuit board
to main pump test point
correct?
Check for 240 VAC (120
VAC for convertible J-315
and J-325 models) at
recommended test points.
See table at right for a listing
of recommended test points.
Yes
Is connection between circuit
board and pump OK?
Yes
Replace pump.
DANGER: Electrical Shock Hazard Exists!
High Voltage Present on Circuit Board. Use
Extreme Caution while Servicing Circuit Board.
26
No
Plug in spare control panel then
press JETS Button.
Do you hear a relay click on the
circuit board?
Replace control panel.
No
Replace circuit board.
No
Repair wiring.
No
Yes
Recommended Test Points
All 1-Pump models
• High Speed Pump 1 - test point 6 and 7.
All two pump models
• High Speed Pump 1 - test point 6 and 7.
• High Speed Pump 2 - test point 8 and 9.
Replace circuit board.