|| Possible Cause
|Breaker tripped off or improper wiring
||Check and or reset breaker
Verify that wiring in correct
|Wrong power (error message display)
||SR-500 switch is not set properly
||Verify that incoming power and switch setting are the same
|High vacuum (system error 15 or 17)
||Clogged baskets or pump trap, blocked drain, improper valve setting.
||Remove debris/ clean basket. Verify valves are set for normal operation.
|Low vacuum (system error 16 or 17)
||Stuck skimmer weir, water level too low, high filter pressure.
||Verify that the weir is functioning smoothly, top off to regular operating level, backwash or clean filter as needed.