Jacuzzi Premium J-325 Troubleshooting Manual page 29

8.1C No Heat Or Not Enough Heat
• Symptoms: Circulation pump (heating pump) not turning, panel heat indicator not lit,
panel is fl ashing FL1.
Standard Troubleshooting Approach
Is there correct voltage
coming to the hot tub at
TB1?
240 VAC, +/-10%, or
(120/240 VAC, +/-10%
for J315/J325 models).
Yes
Put hot tub in standard
filtration mode (page
21). Set temperature
high enough to initiate a
heat call. Is voltage ok
from circuit board to
circulation pump?
Test points 16 and 17 for
circulation pump.
Yes
Is connection OK from
circuit board to pump?
Yes
Replace pump.
Note: Refer to the voltage and current charts on appendix page 46-47 for expected voltage/current readings.
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Ex-
treme Caution While Servicing Circuit Board.
No
Call an electrician.
No
Replace circuit
board.
Circuit Board Illustrations
A. 2002+ Protech LED Models (Page 50-51)
No
Repair connection.
29