BUS Updated 12/2011
07/2011
2-938
WorkCentre 5335 Family Service Documentation
123-354, 123-355
Initial Issue
Status Indicator RAPs
123-354 Decrease in 24V Error (UI-Panel) RAP
BSD-ON:
BSD 2.1 - User Interface (UI)
BSD-ON:
BSD 3.4 - ESS - UI Communication
24V Power Drop Detected error (UI-Panel). The Control Panel has detected a drop in 24V
power voltage.
Procedure
•
Turn the power OFF then ON, and then replace the One-Touch Key Module of the MCW-
Panel.
•
Ensure that the customer is programming a job within the parameters of the machine uti-
lizing the UI.
•
Disconnect then reconnect the IIT, UI I/F, ESS, MCU all PWBs connected to them (RAM,
Firmware module, EEPROM)
•
Check the sw version of the controller sw - update if required
•
Replace UI I/F PWB (
PL 1.7
)
•
Replace ESS PWB (
PL 35.2
) (If not fixed by this, reinstall the original ESS PWB.)
123-355 Decrease in 5V Error (UI-Panel) RAP
BSD-ON:
BSD 2.1 - User Interface (UI)
BSD-ON:
BSD 3.4 - ESS - UI Communication
. 5V Power Drop Detected error (UI-Panel). The Control Panel has detected a drop in 5V
power voltage.
Procedure
•
Turn the power OFF then ON, and then replace the One-Touch Key Module of the MCW-
Panel.
•
Ensure that the customer is programming a job within the parameters of the machine uti-
lizing the UI.
•
Disconnect then reconnect the IIT, UI I/F, ESS, MCU all PWBs connected to them (RAM,
Firmware module, EEPROM)
•
Check the sw version of the controller sw - update if required
•
Replace UI I/F PWB (
PL 1.7
)
•
Replace ESS PWB (
PL 35.2
) (If not fixed by this, reinstall the original ESS PWB.)