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Rick
Rick, Construction Supervisor
Category: Plumbing
Satisfied Customers: 19507
Experience:  Licensed Master plumber with 40+ yrs. experience.
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My water heater is on vacation mode and nothing happens when

Customer Question

My water heater is on vacation mode and nothing happens when I hold down the arrow
Submitted: 1 year ago.
Category: Plumbing
Expert:  Rick replied 1 year ago.
What is the brand and model of your unit? What other LED's are lit besides vacation?
Customer: replied 1 year ago.
AO smith. Model #gpnh-50
Expert:  Rick replied 1 year ago.
What other LED's are lit?
Customer: replied 1 year ago.
The green above vacation and the yellow under the arrow two lights after
Expert:  Rick replied 1 year ago.
This a "draft pressure switch closed before fan starts" error. If no one has jumped the terminals on the switch you probably have a bad pressure switch. You can try to clear the error by unplugging the heater what a couple minutes then plug it back in. If the same w LED's are lit then you have an issue (as described above) with the switch