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View Full Version : YORK Diamond 90 Furnace code 7

Pucky
Feb 1, 2010, 10:26 AM
YORK Furnace Diamond 90 Model P3URB10N05501D Shows a code 7 What do I do now?
hvac1000
Feb 1, 2010, 10:42 AM
Read on the back side of the blower motor access panel what your code 7 means.
boffoff
Mar 8, 2010, 01:54 PM
7 blinks = lockout caused by no ignition