Hot Tubs Engineered for the World’s Harshest Climates

Arctic Spas Manuals


51. Error Codes

IN.K500 Error Codes

Upon connecting the in.k500 topside to the spa pack you may see one of these messages. Please follow the instructions in the message or contact your dealer for more information.

HL – Warning! HL Error

AOH – Elevated internal temperature

HP1-99 – Heat Pump error 1-99

FLO – No flow condition OR no flow for more than 2 hours

FLC – Flow switch is closed

Pr – Warning! Temp. probes detective

HR – Danger! Relay stuck

SP in – Input voltage issue

RH ID – In.xm2 and in.therm incompatible

OH – Spa temperature is too high 

RH NC – Comm. error between in.xm2 & in.therm