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880 SERIES
Message Meaning
“WATCHDOG” (hot tub is deactivated)
A problem has been detected which could cause
damage to the hot tub or its components. Contact your
Sundance Spas dealer or qualied service technician.
OPEN SENSOR (heater disabled) or SHORTED
SENSOR (hot tub is deactivated)
The high-limit temperature sensor is non-functional.
This must be repaired only by an Sundance Spas
dealer or qualied service technician.
OPEN or SHORTED SENSOR (heater disabled). The
main temperature sensor is non-functional. This must
be repaired only by an Sundance Spas dealer or
qualied service technician.
CLOSED or SHORTED FLOW SWITCH ON
SYSTEM STARTUP (system disabled) Flow switch
is non-functional. This must be repaired only by an
authorized dealer or qualied service technician.
16.0 Troubleshooting - Procedures
In the unlikely event your hot tub is not working the way you believe it
should, please rst review all the installation and operating instructions in
this manual and check the message on the panel display; second, if you
are still not satised it is working properly, please follow the appropriate
troubleshooting instructions.
PROBLEM PROCEDURE
None of the
components
operate ( i.e.
pump, blower,
light)
Check the control panel lights.
1. If there are letters or symbols displayed on
the screen, refer to the previous section to
determine meaning and action required.
2. If nothing appears on the screen:
a. Check the household circuit breaker.
b. Contact you Sundance Spas dealer or qualied
service technician.