Instruction manual

3–5Troubleshooting
Displayed Message
Solution
Explanation
CTL VOLT FAIL*
Controller voltage failure. Replace CMX controller
board.
DRVR CIR BAD*
Hammer coil count test
failed.
Page 3–14
EXHAUST FAN FLT
Sensors cannot detect
current in fan circuit.
Page 3–15
FIRMWARE ERROR
Application software tried to
perform an illegal printer
function or damaged
memory detected on CMX
board.
Page 3–16
FRAMING ERROR
Serial framing error. (Serial
interface.)
Page 3–25
HAM. COIL OPEN*
Electrical malfunction of one
or more hammer coils.
Page 3–17
HB NOT INSTLD*
Self–test does not detect
hammer coils.
Page 3–18
HMR BANK FAN FLT
Sensors cannot detect
current in fan circuit.
Page 3–15
ILL EXT BUS ACC*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
ILL INST ACCSS*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
ILLGL OPR ACCSS*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
INTAKE FAN FAULT
Sensors cannot detect
current in fan circuit.
Page 3–15
LO DRV. SHORT *
Circuit(s) on the hammer
bank or in the hammer bank
power cable shorted to
ground.
Page 3–19