
8
Operating SpaYour
Message | Meaning | Action Required | 
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OHH | Overheat protection (spa is  | DO NOT ENTER THE WATER! | 
  | shutdown). One sensor has  | Remove the spa cover and allow spa to cool below  | 
  | detected 118˚F (48˚C) at the  | |
  | 107˚F (42˚C). Press any button on the topside  | |
  | heater.  | |
  | display to reset spa. If spa will not reset after spa has  | |
  | 
  | |
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  | cooled, turn off power for approximately 30 seconds  | 
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  | and then turn power back on. If display message is  | 
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  | repeated then shut the power off to the spa and call  | 
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  | your dealer or service organization.  | 
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Pr  | When your spa is first actuated, it  | The priming mode will last for up to four minutes and  | 
  | will go into priming mode.  | then the spa will begin to heat and maintain the water  | 
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  | temperature in the Standard mode.  | 
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SL  | Indicates heater is in Sleep Mode.  | None.  | 
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SnA | Spa is shut down. The sensor that  | If the problem persists, contact your dealer or service  | 
Snb | is plugged into the sensor “A” or  | organization. (May appear temporarily in an overheat  | 
  | “B” jack is not working.  | situation and disappear when the heater cools.)  | 
SnS | Sensors are out of balance.  | Contact your dealer or service organization.  | 
  | • If this is alternating with the  | 
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  | temperature, it may just be a  | 
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  | temporary condition.  | 
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  | • If the display shows only this  | 
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  | message (periodically blinking),  | 
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  | the spa is shut down.  | 
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ST  | Indicates heater is in Standard  | None.  | 
  | Mode.  | 
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2009 Genesis Portable Spa
www.calspas.com  | LTR20091058, Rev. A  |