Pump will run on low, but when it is turned on to high and heat turns on the GFCI switch burns up. Never tripping the switch.
This is an issue with amperage going to the GFCI. Check the length of wire going from the GFCI to the piece of equipment you are using. Make sure the wire is large enough for the total amps of the equipment you are using and the length of run from it to the GFCI
Rod
US Parts Center
SOURCE: hello,I have an old jacuzzi
hi,
ok so when the pump is on high and the heater is running it doesent trip? you didnt say if it did. undo the heater leads so the pump is isolated completely. run the pump on the control centers gfci and see if it trips. if it does then try wiring directly - with an extension cord to a plug with a gfci in your house and see if it trips the gfci in your bathroom. if no trip inside house then bypass tubs gfci and run it with heater and pump through your bathroom gfci. if no trip then try and replace the tubs gfci, it gets pretty humid in the control center and gfci's have a semiconductor which which do fail after years of rough duty like that. if it trips the gfci in your house with the heater again it has a cracked heater element. craigslist always has old hot tubs and parts. you might have to buy a whole used old hot tub but that may be cheaper than a new heater box.
later
jm
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