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13.0 Error Conditions / Error messages
Your spa has a self-diagnostic control system. The system will automati-
cally display the following if a problem is detected.
13.1 panel displays SN1
Open sensor (heater is disabled) or shorted sensor (spa is
deactivated). The high-limit temperature sensor is not
functioning. Your authorized Sundance dealer must repair this.
13.2 panel displays SN2
Open or shorted sensor (heater disabled). The temperature
sensor is not functioning. Your authorized Sundance dealer
must repair this.
13.3 panel Displays FL1
Pressure switch is not closed when the pump is activated.
Heater is deactivated. Proper flow of water is inhibited or
pressure switch has malfunctioned. Check for proper water
level, pump is primed and/or clogged filter. Contact a qualified
service technician.
13.4 panel Displays FL2
Pressure switch is closed, while pump is deactivated.
Contact a qualified technician.
13.5 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 temperature. No corrective action is required. Note: during
cold periods, you may consider increasing the number of filtra-
tion cycles (page 24).
13.6 panel Displays ICE
Freeze Protection - A potential freeze condition has been
detected. No action is required. The pump and heater will