Y Series TechBook
33
If weather is very hot:
1 Remove spa cover
(even during the night)
Start blower if spa is
equipped with one
Wait until spa cools
down (add cold water if
necessary)
• Shut power off and
power the spa up again
to reset the system
3 With a voltmeter, read
voltage between the
live and ground heater
terminals
4 If you do read 240 V,
replace spa pack
5 If you do not read 240 V,
pump may be
overheating water
during filter cycle
Shorten filter cycle
duration
If hot weather is not a
factor:
2 Lower Set Point
below current water
temperature
The Heater indicator
should disappear from
keypad display
To shorten filter cycle
duration:
6 Press and hold the
Light
key for 5 seconds
Display will show a
value that represents
the filter cycle duration
in hours
7 Use the
Down
arrow key
to lower the number of
hours
0 = no filtration
12 = continuous filtration
When the desired
setting is displayed,
Press the
Light
key
again The filter cycle
will start immediately
Live
Ground
Return
