Circulation Pump Not Working - Jacuzzi Premium J-325 Troubleshooting Manual

8.10 Circulation Pump Not Working

The circulation pump should be on for the programmed duration each day and for a heat
call unless "Summer Logic" is activated. Verify the pump should be on before trouble-
shooting. Check the circulation pump start time and duration setting. Refer to section
5.6C (page 23).
Diagnostic Tools: Clamp-on ammeter, voltmeter.
Suggested Spare Parts (Page 59): Circuit board, circulation pump.
Standard Troubleshooting Approach
Is 240 VAC (120 VAC for
J315, J325 models)
present at pump output?
Circuit board test points
16 and 17
Yes
Is there current draw
(0.5 Amp)? Check with
clamp-on ammeter.
Yes
Current draw is proof that
circulation pump is
working. Read steps
above to make sure
circulation pump should
be on*.
*Note: If the circulation pump is running, but there is no water fl ow, check for an air lock, a blockage in
the plumbing, debris in the pump or a broken pump impeller.
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Ex-
treme Caution While Servicing Circuit Board.
Make sure circulation
pump should be on. If
No
pump should be on and
there is no voltage at test
points 16 and 17 change
circuit board.
Check connection
between circuit board and
No
circulation pump. If
connection is OK, replace
pump.
Circuit Board Illustrations
A. 2002+ Protech LED Models (Page 50-51)
42