Jacuzzi j315 Hot Tub User Manual


 
39
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