C No Heat Or Not Enough Heat - Jacuzzi J-315 Manual

.1C No Heat Or Not Enough Heat

• Symptoms: Circulation pump (heating pump) not turning, panel heat indicator not lit, panel
is flashing FL1.
Standard Troubleshooting Approach
Is there correct voltage
coming to the hot tub at
TB1?
240 VAC, ± 10%, or (120
VAC, ± 10% for convert-
ible 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 low
speed pump or circulation
pump?
Yes
Is connection OK from
circuit board to pump?
Yes
Replace pump.
Circuit Board Illustrations
A. 2006+ LED Models (Page 50-51)
Note: Refer to the voltage and current charts on appendix page 47 for expected voltage/current readings.
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Extreme
Caution While Servicing Circuit Board.
No
Call an electrician.
No
Replace circuit board.
No
Repair connection.
2