123-354 Decrease In 24V Error (Ui-Panel) Rap; 123-355 Decrease In 5V Error (Ui-Panel) Rap - Xerox workcentre 5335 series Service Manual

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.)
Status Indicator RAPs
123-354, 123-355

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
• Replace ESS PWB
07/2011
2-938
BUS Updated 12/2011
(PL 1.7)
(PL 35.2) (If not fixed by this, reinstall the original ESS PWB.)
WorkCentre 5335 Family Service Documentation
Initial Issue