C5360 (C4751i)

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ByEric Ditges
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Contents

Trouble typeC5360: Clean unit fan failure to turn (When CU-204 is installed) (Europe models only)
RankB
Trouble detection conditionThe fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation–
Relevant electrical partsExhaust fan/1 (FM1)Exhaust fan/2 (FM2)Exhaust fan/3 (FM3)Clean unit drive board (CUDB)CPU board (CPUB)Base board (BASEB)

Procedure

  1. Check the connector between CUDB CN1-relay CN35-BASEB CN25E for proper connection and correct as necessary.
  2. Check the connector between FM1-relay CN101-CUDB CN2 for proper connection and correct as necessary.
  3. Check the connector between FM2-relay CN102-CUDB CN2 for proper connection and correct as necessary.
  4. Check the connector between FM3-relay CN103-CUDB CN2 for proper connection and correct as necessary.
  5. Check the fan for possible overload and correct as necessary.
  6. Check CPUB for proper installation and correct as necessary.
  7. FM1 load check
    • Check code: 42
    • Multi code: 9, 10
    • Control signal: CUDB CN2-1 (REM), CUDB CN2-3 (LOCK)
    • Location of electrical component: 27-L
  8. FM2 load check
    • Check code: 42
    • Multi code: 9, 10
    • Control signal: CUDB CN2-4 (REM), CUDB CN2-6 (LOCK)
    • Location of electrical component: 28-L
  9. FM3 load check
    • Check code: 42
    • Multi code: 9, 10
    • Control signal: CUDB CN2-7 (REM), CUDB CN2-9 (LOCK)
    • Location of electrical component: 28-L
  10. Replace the defective fan. (FM1 / FM2 / FM3)
  11. Replace CUDB.
  12. Replace CPUB.
  13. Replace BASEB.

(Link to the Field Service Manual)