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8.13 Ozone not working
Diagnostic Tools: Clamp-on ammeter and voltmeter.
Suggested Spare Parts (Page 59): Ozonator, circuit board, control panel.
Standard Troubleshooting Approach
Danger: Electrical Shock Hazard Exists!
High Voltage Present On Circuit Board. Use Ex-
treme Caution While Servicing Circuit Board.
Turn power to hot tub off and on.
Wait approximately two minutes for
filter cycle to begin and turn on
ozonator and circulation pump.
DO NOT press either JETS button at
this time or ozonator will shut off!
Turn power off, plug in spare
control panel, then turn power
on. Wait approximately 2
minutes for filter cycle to
begin. Is filter cycle running?
Replace circuit board.
Replace control panel.
CD Ozonator: a faint buzzing sound
and/or current draw is proof that the
ozonator is working.
Read steps outlined above to ensure
customer understands ozone logic.
Is 240 VAC (120 or 240 VAC*)
present at circuit board ozone
outputs? Test points 14 and 15.
*J315/J325 models only.
CD Ozonator: is there a faint
buzzing sound coming from the
ozonator’s internal high voltage
arching chamber? Or is there current
draw from the ozonator (0.1 Amp)?
Check with clamp-on ammeter.
No
Replace circuit board.
No
Ye
s
Yes
Ye
s
Yes
No
Replace ozonator.
No
Circuit Board Illustrations
A. 2002+ Protech LED Models (Page 50-51)