C7622 (bizhub 750i)

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Contents

Trouble typeC7622: Power line B2 error
RankC
Trouble detection conditionThe fuse detection unit detected an error for a predetermined time.
Trouble isolation–
Relevant electrical parts-PH unit
-Expansion control board (EXCB)

Procedure

  1. EXCB ICP3 conduction check
  2. Check the connector between the PH unit-relay CN306-EXCB CN10EX for proper connection and correct as necessary.
  3. Replace the PH unit. (Part# ACV7R70100)
  4. Replace EXCB. (Part# AC74H00501)

(Link to the Field Service Manual)