C5362 (bizhub 650i/550i/450i)

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Trouble typeC5362: UFP scavenging fan/Rr failure to turn (bizhub 650i/550i)
RankB
Trouble detection conditionThe fan lock signal remains Low for a predetermined continuous period of time while the fan is turning.
Trouble isolation–
Relevant electrical parts-UFP scavenging fan/Rr (FM18)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between FM18-relay CN802-relay CN5-BASEB CN22E for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. FM18 load check
    • Check code: 42
    • Multi code: 12
    • Control signal: BASEB CN22E-10 (REM), BASEB CN22E-12 (LOCK)
    • Location of electrical component: 12-C
  5. Replace FM18. (Part# A93EM10600)
  6. Replace CPUB.
    650i/550i (Part# AC74H02P03)
    450i (Part# AC76H02P02)
  7. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)