Preventing the Lotem 800 drum from shutting down during an exposure

Preventing the Lotem 800 (Local2) drum from shutting down during an exposure


Product		Only applies to Lotem^® 800 platesetters fitted with a Local2 board.
Operating system		Lotem Controller version 3.61.02

Error		The following error messages are associated with this problem: `Drum go position task timeout` `Drum go speed task timeout`

Symptoms		Power ceases to be fed to the drum, causing it to shut down while a plate is being exposed. A 5230 error message is displayed on the Brisque. A drum vibration error message is occasionally displayed.

Cause		Voltage from MCF board is too low. Punch board has coating problems.

Solution		Readjust the MCF board's voltage to 5.1 volts Replace the punch board.

Technical contact(s)		Moshe Arviv
Submitted by		Moshe Arviv
Date submitted		19 Jan 2004