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Chapter 3 Troubleshooting Display Messages
DRVR CIR BAD*
Driver Circuit Bad: the
hammer coil count test
failed.
1. Cycle power. If the message
appears, press CLEAR.
2. Power off the printer. Remove the
shuttle cover. At the shuttle frame
assembly, disconnect the
hammer bank logic and power
cables. Power on the printer. If
“HB NOT INSTALLD” appears on
the LCD, replace the shuttle
frame assembly. If “HB NOT
INSTALLD” does not appear on
the LCD, replace the controller
board.
E Net Test Unavailable The ethernet PCBA did not
initialize correctly.
Cycle power. Wait for “E Net Ready”
to display, then retry operation. If it
still fails, replace the ethernet PCBA.
ERROR: DC PROGRAM
NOT VALID
The printer cannot find the
data controller program or
the validation checksum is
corrupt.
1. Download the program again.
2. If the message appears, replace
all flash memory SIMMs.
ERROR: DRAM AT
ADDRESS XXXXXXXX
The printer found a defective
memory location.
1. Replace the DRAM.
2. Power on the printer. If the
message appears, replace the
controller board. Record the
message and return it with
defective board.
ERROR: EC PROGRAM
NOT VALID
The printer cannot find the
engine controller program or
the validation checksum is
corrupt.
1. Download the program again
(page 150). If the message
occurs again, replace all flash
memory SIMMs.
2. Power on the printer. Download
the emulation. If the message
appears, replace the controller
board. Record the message and
return it with defective board.
Table 2. Message List
Message Explanation Solution
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