19
8.1C No Heat or Not Enough Heat (All Models)
• 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? Test point 1 and 2. See
240 VAC, ± 10%, or (120 VAC, ± 10%
for convertible models).
Put hot tub in a valid Primary Filtration
temperature high enough to initiate a
heat call.
Is voltage from circuit board to
circulation pump ok? Test point 14 and
Note:
Refer to voltage and current
charts on appendix pages 36-38
for expected voltage/current readings.
Is connection ok from circuit board to
pump?
Replace pump.
Repair connection.
Replace circuit
board.
Call an electrician.
No
Yes
Yes
Yes
No
No
DANGER: Electrical Shock Hazard Exists!
High Voltage Present on Circuit Board. Use
Extreme Caution while Servicing Circuit Board.
Summary of Contents for LCD Series
Page 40: ...36 APPENDIX ...