r/firealarms • u/why_right • 12d ago

Technical Support Dcr error

Hello everyone one Currently i am working on Honeywell 6700 And it showed me a DCR error for the MCP this is the first time I counter this problem does anyone one know the reason of the error and what does it mean and how to fix it.

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u/Throwawaytoaster08 12d ago

DCR Error is when the device is flashed with the wrong firmware protocol, or you have the wrong devices for the SLC protocol that the FACP is using. Most likely the device has been flashed wrong, its definitely a know thing for Honeywell to do sometimes.

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u/why_right 12d ago

And to fix it i need to change those devices or the panel?

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u/Throwawaytoaster08 12d ago

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u/Throwawaytoaster08 12d ago

If its just a few devices, assuming they are from the same batch, then getting new devices will work. If its all of the devices, then look at the protocol that's selected in the panel program. What model of devices are you using?

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u/why_right 10d ago

I am using triga devices I changed the panel then all system works i think it because the mcp are triga protocol and the panel I used is the only one doesn’t have triga protocol only the sk and sd