Error code C-1228 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1228
Classification: FD: FD abnormality
Cause:
The main tray upper limit sensor (PS20) does not become active within a specified period of time after the main tray home position search starts. Alternatively, after the tray up down motor (M11) becomes active, the main tray upper limit sensor (PS20) does not become inactive.

 

Measures to take when alert occurs:

The main body and the option stop immediately.                                                 
Estimated abnormal parts:
  • Tray up down motor (M11)
  • Main tray upper limit sensor (PS20)
  • Punch drive board (PDB)
Correction:
Press the help key, and activate and deactivate the sub power switch (SW2) of the main body.
Note: 
  • When you isolate the faulty part, the limited use is available.
  • The messages "Please call service" and "Press [Help] to disengage" are displayed alternately on the touch panel.
  • When you press the help key, the message "Please turn on power again" is displayed on the touch panel.                    
Solution:
  1. Check the punch alignment section, and clean or repair it when there is any abnormality.
  2. Check the connector connection and the wiring between FDB and the motor and the sensor, and repair it when there is any abnormality.
  3. Check the I/O drive of the motor and the coupling of the gear, and repair or replace it when  there is any abnormality. (Wiring diagram: FD-503: 3-D)
  4. Check I/O and the operation of the sensor, and repair or replace it when there is any abnormality. (Wiring diagram: FD-503: 6-D)
  5. Replace PS20.
  6. Replace M11.
  7. Replace PDB.
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