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Please help find the manual for this York International Gas Furnace...

what does the high limit open mean on the diagnosis board telling me. 4 flashes says that the high limit is open. what do I do to correct problem. York diamond 80 furnace.

Asked by Rick on 04/02/2008 2  Answers

ManualsOnline posted an answer 16 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Josh posted an answer 16 years ago

0 If it the high limit for the refridgeration side, the condenser is probably dirty or the fan is not running.
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Josh posted an answer 16 years ago

0 If the problem is when it is in heat mode the thermal limits for the heat exchanger are open. They will be small discs, usually black in color with two wires, screwed to the outside of the heat exchanger.
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