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Bosch Master
12,223 Answers
- Posted on Oct 12, 2013
Re: Getting an F7 error that won't clear. From what I...
You must read your owner manual read the troubleshooting section, and if the problem persist, get the website with your supplier and connect via ONLINE chat with technical personal in order to Help you and fix it.
God bless you
Nevermind - this is what I found out for myself. The error is basically a "false flame" reading. It indicates the heater thinks it is sensing flame while the heater is in standby mode. It could be caused by a loose connection to the flame ionization rod, so the first thing to do is to verify that the thinner wire leading from the control unit is securely connected to the flame sensor located on the lower front of the heat exchanger. It could also indicate that the flame ionization rod or control unit is damaged.
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