• If pump doesn’t prime in 7 seconds or runs dry for 5 seconds control will shut down pump.
• SMC control can be reset by turning off and on switch. Power need not be turned off.
• If power is not turned off to the control, control will jog macerator pump for few milliseconds every seven days to prevent binding of impeller.
• If pump draws more than 20 amps, control will shut down pump.