46
in.xe 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 on the
heater terminals.
Your reading should be:
240 V: Line 1 & Line 2
120 V: Line 1 & Neutral
Heater indicatorset 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 that heater
terminals are properly
connected .
• If it is as it should be,
replace spa pack.
• In the case of the
European model
in.xe.ce only, replace
accessory fuse.
• If problem persists,
replace spa pack.
If a keypad doesn’t seem to work:
• Verify keypad connections and try spare keypad.
• Replace keypad if problem is corrected.
• Replace in.xe if problem is not corrected.
Keypad doesn't seem to work step-by-step
240 V Heater (4 kW or 2 kW)
120 V Heater (1 kW)
L2 GroundL1N
L1N
Keypad connector
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