Despatch LAC2-12-6 - Manual (Page 4)

A BOUT T HIS M ANUAL LAC Series Oven Owner’s Manual
4 Version 10
Copyright © 2011 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
means including graphic, electronic, or mechanical methods or photocopying, recording, or information storage and
retrieval systems without the written permission of Despatch Industries, unless for purchaser's personal use.
6.1. Checklist ..................................................................................................... 29
6.2. Lubrication .................................................................................................. 30
6.3. Routine Tests .............................................................................................. 30
6.4. Door Adjustment ......................................................................................... 30
6.5. Replacement Parts ....................................................................................... 30
6.5.1. Replace the Protocol Plus Controller ...................................................... 31
6.5.2. Replace Heater Unit ................................................................................ 31
6.5.3. Replace Fan Motor .................................................................................. 32
7. Troubleshooting .................................................................................................... 34
7.1. Troubleshooting Error Messages and Alarms............................................. 34
7.2. Troubleshooting Symptoms ........................................................................ 34
8. Appendices ............................................................................................................ 36
8.1. Standard Products Warranty ....................................................................... 36
8.2. Electrical Schematics .................................................................................. 37
Figures
Figure 1. LAC High-performance Bench-top Oven. ........................................................ 16
Figure 2. Horizontal Airflow through the LAC Oven. ..................................................... 16
Figure 3. Damper Positions............................................................................................... 17
Figure 4. Protocol Plus Displays and Control Buttons. .................................................... 19
Figure 5. LAC-6 Series Oven Nameplate. ........................................................................ 22
Figure 6. Rear Access Panel for Hard-Wired Connections. ............................................. 23
Figure 7. Hinged Panel for Simpler Access to Power Connections. ................................ 23
Figure 8. Power Connections at Main Circuit Board. ....................................................... 24
Figure 9. Remove Screws to Remove Floor Plate. ........................................................... 31
Figure 10. Heater Panel and Inlet Cone. ........................................................................... 31
Figure 11. Remove Screws to Remove Side Panels. ........................................................ 32
Figure 12. Remove Heater Panel by Removing Screw in Front Edge of Each Panel. ..... 32
Figure 13. LAC1-10-6 (Excerpt from drawing 146271D01)............................................ 38
Figure 14. LAC1-38A-6 (Excerpt from drawing 146273D01). ........................................ 38
Figure 15. LAC1-38B-6 (Excerpt from drawing 146275D01). ........................................ 38
Figure 16. LAC1-67-6 (Excerpt from drawing 146277D01)............................................ 38
Figure 17. LAC2-12-6 (Excerpt from drawing 146279D01)............................................ 38
Figure 18. LAC2-18-6 (Excerpt from drawing 146281E01). ........................................... 38
Tables
Table 1. MRC 5000 Settings. ............................................................................................ 25
Table 2. Error Messages and Next Steps. ......................................................................... 34
Table 3. Troubleshooting Oven Symptoms. ..................................................................... 35