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View Full Version : York diamond 80 red light on circuit board flashes 4 times.


sirluckey1
Oct 2, 2010, 08:53 AM

peteswan
Nov 18, 2011, 12:48 PM
This means that your gas pressure is low or your gas valve in the furnace is not allowing the proper pressure through to the burnner. You may have to reajust the valve regulator or replace it.

Peter

sprinters1
Jan 9, 2013, 08:04 AM
This means that your gas pressure is low or your gas valve in the furnace is not allowing the proper pressure through to the burnner. You may have to reajust the valve regulator or replace it.

Peter

How do I readjust the valve regulator?