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Nothing Works (Panel Dead)
1. All Models - Check for proper power to the hot tub on the main TB1 terminal block (page 36) as
follows:
• 120V Convertible North American Models: 120 VAC ±10% (3-wire).
• 240V North American Models: 240 VAC ± 10%.
2. Check for power at transformer secondary. Refer to appendix page 51. If power exists on
transformer secondary, plug in spare control panel. Still nothing? Replace board.
3. If no power exists at transformer secondary, check for voltage at transformer primary. Refer to
appendix page 51. If voltage exists on the primary but is missing on the secondary, replace
transformer.
4. No power at the transformer primary indicates either an open 1.25 Amp fuse, 20/30 Amp main
fuse, or a loose or disconnected wire. If voltage exists on the primary but is missing on the
secondary, replace transformer. See Section A5 (page 40) for specic fuse details.
8.4 Hot Tub Doesn’t Come On for Filter Cycle
Turn power to hot tub off and on to restart lter cycle program. Does lter cycle start approximately
two minutes after power is applied?
• If yes: the hot tub is functioning properly. Refer to Sections 5.2-5.4 (page 8) for lter cycle
setup details. Take time to explain lter cycle selection and operation to your customer. Make
sure your customer understands lter cycles are selectable, not programmable.
• If no: Select appropriate lter cycle mode within two minutes after applying power. Refer to Sec-
tions 5.2-5.4 (page 8). If lter cycle starts approximately two minutes after setting, no correc-
tive action is required. If lter cycle does not start two minutes after setting, replace circuit board.
8.5 House Breaker Trips
The hot tubs current draw will vary depending on how the circuit board is jumpered. Jumper options
determine whether multiple functions can operate together.
If the house breaker trips, check the hot tubs current draw. If jumpers are properly set and current
draw is within expected limits, the house breaker or wiring is defective and must be repaired/replaced.
The hot tubs current draw at the breaker represents the sum of all enabled devices. Refer to appen-
dix page 39.
If the hot tub’s current draw is high, individual device current measurements must be made to deter-
mine which device is pulling excessive current. Refer to appendix page 39. Repair or replace the
device which is drawing excessive current.
If the GFCI trips, try removing the heater, pump, ozonator (if installed), stereo power supply and circu-
lation pump or pump 2 wires from the circuit board one at a time to nd which device may be causing
the GFCI to trip. For chronic GFCI tripping, call Technical Support.
North American 60Hz Installations:
As of January 1, 1994 the National Electric Code (NEC) requires a Ground Fault Circuit In-
terrupter on all hot tub installations in the U.S. A GFCI must be wired correctly or it will trip.
Make sure the electrician has wired the GFCI according to the diagram on pages 47.
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