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Honeywell RM 7897 BMS controller

Hanan
Hanan Member Posts: 1
in Gas Heating

We have Honeywell RM 7897 BMS controller on heater.we facing issue "lockout 35 inter fault" how we fix it

Comments

  • Steamhead
    Steamhead Member Posts: 17,378

    Call a professional. Where are you located?

    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,467

    You need the diagnostic module that Honeywell sells to be able to diagnose that control. A commercial/industrial boiler tech will have one. Just that module cost $$$

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