Jacuzzi hot tub not heating, lights work, J31 BLK AC contact clicks

Jacuzzi Z135 has new heating element and 2 new thermostats. The pump is 10+- yrs. old. Everything lights up, but the pump s not working. When I go thru the deck button sequence, the J31 BLK AC contact clicks but nothing else moves. Any troubleshooting suggestions?

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Hi @davythedolphin ,

Is there a wiring diagram inside the control box by any chance?

Hopefully if there is it will show the wiring for the pump, heater etc.

It may be that the relay has faulty or burnt out contacts and needs to be replaced.

Be safety aware when working with lethal voltages. If you don't know what you're doing leave it for an electrician to check it out