User guide

MAINTENANCE & TROUBLESHOOTING Protocol Plus Owner’s Manual
46 Version 2
Copyright © 2010 by Despatch Industries.
All rights reserved. No part of the contents of this manual may be reproduced, copied or transmitted in any form or by any
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Alarm Status
Possible Problem
Next Step
in rapid succession)
memory failure.
Batt (Beep code: three
beeps in rapid succession)
Weak or dead battery. Battery
failure.
Consult factory
RTC (Beep code: two
beeps in rapid succession)
Loss of time in real time clock
circuit. Control memory loss.
Reset time in real time clock
page.
O
The lower LCD intermittently display HL Temp. This is not an
error message, but the Hi limit thermocouple temperature
reading.