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Participant

Join Date: Jul 2010
Posts: 4

Honeywell 7850 Fault

09/29/2011 9:12 PM

Hi, My new honeywell is showing me a fault 53 lock out switch. Can anyone help me clear this fault?

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Power-User

Join Date: Nov 2009
Posts: 335
Good Answers: 63
#1

Re: Honeywell 7850 Fault

09/29/2011 10:07 PM

Typical of Honeywell, the fault codes are not listed in the flame safeguard control manual, but with the S7800 keyboard display module. The S7800 manual can be downloaded here:
http://customer.honeywell.com/techlit/pdf/PackedLit/65-0090.pdf

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