I have an older cal spa , it was working fine, now when i push in the air button i can hear a click at the motor but thats it, there are no circuit tests buttons that i can locate. Fuse is good, and i have power, and the breaker isnt tripped.

Is there a way to check the voltages inside the panel that might determine where the trouble is.
This is a 230v system, and i have checked for proper incoming voltage.

I am also having problems finding dealers that have calspa parts, any suggestions.

I have the same unit probably and having problems with the heater unit heating up the system. on ur main power baker in side the box, wich u should have two of them. on both sides of the brakers u should get full pwer of 230. check that as a start. if ur also interested of selling that unit, i might be interested of buying that control unit from u. thanks.