Ab23 Posted March 21, 2021 Report Share Posted March 21, 2021 Artisian Island spa I have a model 2013antiggua51DB spa It’s throwing a M30 code heater to hot . I don’t see a thermostat only 2 sensors . When I disconnect these the spa goes into an alarm telling me these are working . I have a feeling it’s the cir pump . It’s running but not sure if it’s working right. thank you in advance Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted March 21, 2021 Report Share Posted March 21, 2021 Have never seen that error code before. Best to post photos of the circuit board and the schematic on the inside cover of the spa pack so we know what you have and if anything is obvious to the trained eye. Recommend you remove the filters and reset the main power breaker. Leave the filters out until the issue is resolved. Remove them from the equation. Dirty filters are flow killers and lead to all types of possible error codes. 1 Quote Link to comment Share on other sites More sharing options...
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