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C1133 (bizhub 958/808)

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Trouble typeC1133: Pressure motor malfunction
RankB
Trouble detection condition<When FS-537+ZU-609 or FS-537SD+ZU-609 is installed>
The press home sensor (PS502) is not turned ON (unblocked), or is not turned OFF (blocked) after it is turned ON (unblocked), even after the set period of time has elapsed after the pressure motor (M502) starts searching its home position.
Trouble isolationZ-folding
Relevant electrical parts-Pressure motor (M502)
-Press home sensor (PS502)
-ZU drive board (ZUDB)

 Procedure

  1. Check the connector between M502-ZUDB CN6 for proper connection and correct as necessary.
  2. Check the connector of M502 for proper drive coupling and correct as necessary.
  3. Check the connector between PS502-ZUDB CN5 for proper connection and correct as necessary.
  4. PS502 I/O check, sensor check
    • Control signal: ZUDB CN5-6 (ON)
    • Location of electrical component: ZU-609 4-B
  5. M502 operation check
    • Control signal: ZUDB CN6-7 (DRV)
    • Location of electrical component: ZU-609 2-B
  6. Replace M502. (Part# (A63GR70100)
  7. ZUDB ICP3 conduction check.
  8. Replace ZUDB. (Part# A63GH00100)

L.3.8.21 (Link to the Field Service Manual)

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