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C7631 (bizhub 750i)
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Contents
Trouble type | C7631: Supply power line 1 error |
Rank | C |
Trouble detection condition | All of the fuse detection units of the same supply power line (24V11) detected an error for a predetermined time. |
Trouble isolation | – |
Relevant electrical parts | -DC power supply (DCPU) -Expansion control board (EXCB) -Base board (BASEB) |
Procedure
- BASEB F11E, F12E, F13E, F17E conduction check
- EXCB ICP1, ICP3 or ICP5 conduction check.
- Check the connector between DCPU CN6-BASEB CN14E for proper connection and correct as necessary.
- Check the connector between BASEB CN11E-EXCB CN1EX for proper connection and correct as necessary.
- Replace BASEB. (Part# ACV7H02101)
- Replace EXCB. (Part# AC74H00501)
- Replace DCPU. (Part# AA7NR71600)