44
Y Series TechBook
Spa not heating!
•
Check for an error
message on keypad
display If there is
one, refer to specific
sec-tion indicated by
the error message
•
If there is no error
message, try to raise
water temperature
by increasing the
Set Point 2°F higher
than actual water
temperature Press
Up
key to increase
Set Point
•
If heater indicator
lights up on the
display, take voltage
reading between the
heater live and return
terminals
Your reading should be:
240 V: for 240 V heaters
120 V: for 120 V heaters
Heater
indicator
Set Point
indicator
•
Verify if
Heater
indicator appears on
keypad display
•
The heater indicator
will be on when
heater is on It will
flash if more heat has
been requested, but
heater has not started
yet
•
If voltage reading
is not as it should
be, verify if heater
terminals are
properly connected
•
If it is, replace spa
pack
•
In the case of the
European model
inytce only, replace
accessory fuse
•
If problem persists,
replace spa pack
Live
Ground
Return
If spa is not heating,
follow this troubleshooting flow chart:
Flow chart
Spa not heating / flow chart & step-by-step
yes
Are there
any error
messages
on the
keypad
display?
Ensure temp
Set Point is
higher than
actual water
temp
no
Refer to specific
error message
section
Has
Heater
indicator
appeared
on keypad
display?
yes
no
Do you get
a 240 V
reading
between the
two heater
terminals
on the board?
yes
no
Replace
spa pack
Are heater
screws properly
connected to
the heater?
yes
no
Replace
heater
Take water
temp and
compare with
temp value
displayed
on keypad
Is difference
greater than
2°F?
yes
no
System
works fine
yes
no
Replace
heater
Tighten
screws
properly
Is there
still a
problem?
Problem
solved
Replace
heater