004-345 HVPS Communication Error
BSD-ON:CH9.2
Communication failure between the ESS/MCU PWB and the HVPS was detected.
Cause/Action
1.
Turn the power OFF and ON.
2.
Turn OFF the power and check the connection between the HVPS
MCU PWB
J402
for open circuit, short circuit, and poor contact.
3.
If no problem is found, replace the following parts in sequence:
•
HVPS
(PL
18.1)
•
ESS/MCU PWB
(PL
18.1)
Initial Issue
WorkCentre 5021/5019
J500
and the ESS/
08/2012
2-11
Status Indicator RAPs
004-345