LCD error. letters are shifting each water valve is ON

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  1. - 23rd July 2012, 12:15 #1
    wishesdoom's Avatar
    wishesdoom
    wishesdoom is offline Junior Member
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    Default Re: LCD error. letters are shifting each water valve is ON

    yes all the -'s and grounds are together and grounded. board running power supply 230v to 24v.
  2. - 23rd July 2012, 12:24 #2
    mackrackit's Avatar
    mackrackit
    mackrackit is offline SuperMod
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    Default Re: LCD error. letters are shifting each water valve is ON

    What is the power supply like? Do you have plenty of capacitors?
    Maybe post the schematic schematic.
    Dave
    Always wear safety glasses while programming.
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