C1142 (bizhub C759/C659)

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Trouble typeC1142: Paddle up/down motor drive malfunction
RankB
Trouble detection condition<When FS-537 or FS-537SD is installed>
The paddle up/down home sensor (PS27) is not turned OFF (blocked) or ON (unblocked) even after the set period of time has elapsed while the paddle up/down motor (M7) is energized.
Trouble isolationStaple
Relevant electrical parts-Paddle up/down motor (M7)
-Paddle up/down home sensor (PS27)
-FS control board (FSCB)

 Procedure

  1. Check the connector between M7-relay CN13<A>-FSCB J14 for proper connection and correct as necessary.
  2. Check the connector of M7 for proper drive coupling and correct as necessary.
  3. Check the connector between PS27-relay CN13<A>-FSCB J14 for proper connection and correct as necessary.
  4. PS27 I/O check, sensor check
    • Control signal: FSCB J14<A>-7 (ON)
    • Location of electrical component: FS-537/FS-537SD 18-K to L
  5. M7 operation check
    • Control signal: FSCB J14<A>-1 to 4
    • Location of electrical component: FS-537/FS-537SD 18-K to L
  6. Replace M7. (Part# A87HPPA700)
  7. Replace FSCB. (Part# A87HPP9M01)

L.3.8.24 (Link to the Field Service Manual)