No Heat Or Heat Too Low - Sunrise spas Spas Owner's Manual

NO HEAT OR HEAT TOO LOW

Probable Set point is not at desired level.
cause #1:
Action: Review set point and change if necessary.
Probable Circ pump is not running or pumping.
cause #2:
Action: Check if valves on circ pump/heater system are open (handle pulled up exposing
valve shaft, safety clips should be in place to prevent valve closure). Check if circ
pump is plugged in or if circ pump fuse in spa pack is burnt out.
Probable Spa is not covered when not being used.
cause #3:
Action: Cover spa to retain heat.
Probable Heater is not on due to error message showing on display.
cause #4:
Action: Check for open gate valves on equipment, correct low water level in spa, and
examine condition of filter cartridge(s). Turn spa power off then back on. Monitor for
reoccurring error message on display. Contact dealer if problem persists.
Probable System Input current setting is restricting heater operation.
cause #5:
Action: Consult dealer/electrician on system current setup and if a higher input current is
available from the supply. This may mean rewiring the spa with a larger gauge cable
and/or breaker.
Probable Lack of insulation in a custom installation.
cause #6:
Action: Protect underside of spa from prevailing cold winds or snow. Enclose custom
installations.
Leisure Manufacturing Inc. 2014 Owner's Manual 29
DOC: OM-A-2014-EN