105Troubleshooting
990 MACHINE CHECK
1. Host status message.
No action required.
998 NON-VOLATILE MEMORY FAILED
1. The non-volatile memory has failed.
Replace the CMX controller board. (Do NOT attempt to replace NVRAM.)
A97 GRAPHIC CHECK ERROR
PRESS ST
OP THEN START
1. The printer received a non-printable character over a twinax interface.
Press Stop then Start.
BOOT DIAGNOSTICS
1. Non-error status message.
No action required.
CLEARING PROGRAM FROM FLASH
1. Status message: emulation software successfully loaded into printer RAM and
the checksum matched. The old program is now being deleted from flash
memory.
No action required.
DRIVER CIRCUIT BAD
1. The hammer coil count test failed.
Cycle power. If the message appears, press Stop.
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 CMX controller board.
ENERGY SA
VER MODE ACTIVE
1. Status message: the printer is in low-energy idle state, all fans and higher
voltages are off, only +5Vdc logic circuits are active.
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