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Brian, HVAC Technician
Category: HVAC
Satisfied Customers: 848
Experience:  OFTEC registered oil heating engineer and plumber.
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Getting an E-1 error on our comfort zone II, and it's cutting

Customer Question

getting an E-1 error on our comfort zone II, and it's cutting off our AC. we are about to replace filters, but am concerned the E1 error is a bigger issue.
Submitted: 2 years ago.
Category: HVAC
Expert:  Brian replied 2 years ago.
E1 is a communication error. Check the wires that go between modules for a loose or broken connection.
Also try turning off the power to everything and removing any batteries for 20 minutes this will sometimes reinstate good communication between the modules.
Best regards