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View Full Version : What does the code mean 'open high limit'?

Jeremie
Nov 27, 2009, 10:28 AM
My furnace blower comes on but the blinking light blinks 4 times telling me 'open high limit'. What do I do?
Joshdta
Nov 27, 2009, 10:57 AM
http://store.hamiltonhomeproducts.com/ProductImages/limitswitches/025-29041-005.jpg

Tap it with a screw driver and it should go off, how is you filter? May need changed.
KC13
Nov 27, 2009, 08:03 PM
Look for these devices.