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- Profitec Pro 700
- Brew Boiler & Group Head Maintenance
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Profitec Pro 700: Coffee Boiler Electrical
Below are photo instructions for checking a Profitec Pro 700's coffee boiler high limit switches and determining if the coffee boiler element is tripping the GFI. This is useful if the coffee boiler on a Pro 700 isn't heating up.
Before doing this we recommend verifying that the machine isn't tripping a gfi outlet when attempting to heat. If it is tripping a gfi outlet when trying to heat the coffee boiler, the issue isn't coming from the high limit switches, check the third photo below.
We recommend turning off the machine and unplugging it before attempting this.
Tools required:
- 2.5mm Allen Wrench
- Multimeter (optional)
1. Remove the top panel of the machine with your 2.5mm allen wrench by taking out the 4 screws and lifting it off.

2. Verify the high limit switches aren't tripped by pressing the buttons on both of them. If they aren't tripped, check continuity of the switches by attaching a multimeter lead to each side of the switch and checking for resistance. There should be close to no resistance.

Determining if the coffee boiler element is tripping the GFI:
1. Is the machine tripping the GFI when turned on? If yes, then unplug the machine and then unplug one leg of the element, shown below at the bottom of the boiler.
2. Reset the GFI, plug the machine back in with one element leg unplugged, attempt to turn the machine on.
3. Does it trip the GFI with one leg of the element unplugged? If no, you will likely need a new element in your coffee boiler.
-If the machine still trips the GFI with one leg of the element unplugged, the issue is not the element and will need to be diagnosed further to find the source of the short.
