sensor is not functioning. Your authorized dealer
must repair this.

11.4 Panel displays

SN2
Open or shorted sensor (heater disabled). The
temperature sensor is not functioning. Your authorized
dealer must repair this.

11.5 Panel displays FL1 or FL2

A flashing “FL1” display means the flow switch is
malfunctioning open; a flashing “FL2” display
means the flow switch is malfunctioning closed.
•Flow switch has malfunctioned.
•Heater is deactivated. Pump may also be
deactivated.
•Proper flow of water is inhibited, or the flow
switch has malfunctioned.
To Correct Condition:
1. Remove filter and allow air to bleed out of cartridge.
2. Check for proper water level.
3. Check for clogged/excessively dirty filter cartridge.
4. Check secondary screen filter (Solo models only).
5. Check for sticking or damaged weir gate.
6. If problem persists, contact your authorized dealer.

Note: This message can also appear if the pump has not regained

prime after the spa has been drained and refilled. If you suspect

this is the case, refer to section 7.3, page 10.

11.6 Panel displays

COL
Cool Condition - Temperature has dropped 20 °F
(11 °C) below the current set temperature. The pump
and heater have been activated to bring the
temperature to within 15 °F (8 °C) of the set tempera-
ture. No corrective action is required.
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