View Full Version : No Heat
02-12-2011, 04:01 PM
My LA Spa is showing an error code of P50 and it is not heating. I tested the voltage to the heating element and there is no voltage. Could it be a pressure switch problem? Thanks
02-14-2011, 09:07 AM
That usually means a flow issue and the system will not allow the heater to come on. It very well could be the pressue switch causing the issue but it may also be a true flow issue meaning not enough water passing through the heater to allow the pressure switch to function. I would try removing the filter first and operate pump to see if error message clears, if so I would replace the filter. If error message remains and pump is function normally I would then suspect the pressure switch as failing.