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  1. #1
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    P 502, drum not set

    Firstly, suspected pcdu, swapped with working pcdu, still the same. Tried pcdu reset.
    Fitted 2 new connetors, as tend to bend when forced.
    Suspect bicu now, unless anyone had this.

  2. #2
    Field Supervisor 500+ Posts luca72's Avatar
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    Re: P 502, drum not set

    Quote Originally Posted by The_man View Post
    Firstly, suspected pcdu, swapped with working pcdu, still the same. Tried pcdu reset.
    Fitted 2 new connetors, as tend to bend when forced.
    Suspect bicu now, unless anyone had this.
    it is not to be excluded! but it could be the psu that does not provide the correct outputs, you can do a voltage and continuity test between CN442 (ID_CHIP PCDU) and CN100 (SCB) so you can also see if there is a mechanical problem of the contacts pcdu> mc
    also check CN214 and CN215 on psu to verify the presence of voltage outputs (see attachment)
    Attached Files Attached Files

  3. #3
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    Re: P 502, drum not set

    Quote Originally Posted by luca72 View Post
    it is not to be excluded! but it could be the psu that does not provide the correct outputs, you can do a voltage and continuity test between CN442 (ID_CHIP PCDU) and CN100 (SCB) so you can also see if there is a mechanical problem of the contacts pcdu> mc
    also check CN214 and CN215 on psu to verify the presence of voltage outputs (see attachment)
    hi thanks for reply have fitted egb, ctrl and psu still the same, looking like a service swap out.

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