905Illegal interrupt.

906Non-maskable interrupt.

907Low RAM error.

908Non Volatile RAM checksum failure.

909RAM corrupted.

910Warm restart.

911Version string mismatch.

Errors numbered 900-911 occur when you turn on the printer. They may indicate a circuit board failure. Errors numbered 930-940 are errors that may occur during the loading of flash memory. Errors numbered 950-999 indicate a circuit board failure. Call Technical Support if you receive any of these messages.

When a HARD failure (errors 900-999) occurs on the 9403 or 9850 printer, the printer displays WARNING or POWER DOWN on the top line of the keypad display.

If this happens, record the displayed message and turn off the printer. If the problem reoccurs when you turn the printer on again, call Technical Support.

If the problem does not reoccur after you turn your printer on again, reset your printer’s SETUP options. Retransmit your packets.

Printer

Description

Display

 

WARNING

RAM check failed on power up. Reset

RAM Test Failure

your SETUP options. Transmit your

 

packets again.

POWER DOWN

ROM checksum test failed.

ROM Sum Failure

 

8-24Diagnostics and Errors

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Monarch 9820, 9835, 9805, 9830 Printer Description Display, RAM check failed on power up. Reset, ROM checksum test failed