User`s manual

Fault Messages
277
Table 16. LCD Message Troubleshooting Table
Displayed Message
Can User
Correct?
Explanation Solution
8.5V PWR FAIL* No Internal power
failure.
Contact your authorized
service representative.
1
15V CTL FAIL* No Controller voltage
failure.
Contact your authorized
service representative.
1
23.5V CTL FAIL* No Controller voltage
failure.
Contact your authorized
service representative.
1
48V PWR FAIL* No Internal power
failure.
Contact your authorized
service representative.
1
ACCESS NULL
PTR*
No Fatal firmware
error on controller
board.
Contact your authorized
service representative.
1
ACTIVATE LOST No Printer detects
twinax protocol
communication
errors.
The printer reports the
error.
A TO D OVERUN* No Fatal firmware
error on controller
board.
Contact your authorized
service representative.
1
BUFFER
OVERFLOW
Yes Host sends data
after the printer
buffer is full (serial
interface).
Check your printer serial
interface parameter
settings; if necessary,
adjust them so that they
match the settings of the
attached host.