OHAUS Explorer Balances, Руководство по обслуживанию

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CHAPTER 2 - DIAGNOSTIC GUIDE
Ohaus Corporation www.ohaus.com 16 Explorer
®
Series Service Manual
2 DIAGNOSTIC GUIDE
This section of the manual contains troubleshooting information. Information is contained to isolate
specific problems using Table 2-1, Diagnostic Guide. Follow all directions step by step. Make certain
that the work area is clean. Handle balance components with care. Use appropriate electro-static
protection devices to prevent damage to the sensitive electronic components.
2.1
TROUBLESHOOTING
General procedures for Troubleshooting:
1. Do the most obvious, user-level remedies.
2. Visual Check:
- Check that the internal parts are clean and free from debris.
- Examine the balance for damage or signs of abuse, replace any damaged items.
3. Use the error code table for solutions for specific codes.
4. Use the Diagnostic Guide; locate the symptom then follow the suggested remedies in order.
Note:
Allow equipment to warm up for 60 minutes on precision models for optimal weighing
performance. Allow 4 hours for analytical models to stabilize.
2.2
SOFTWARE
In most cases understanding the customer’s problem with the balance is easy. Physical damage,
displayed error code, failure to power up and obvious poor performance can usually be repaired by
following the instructions in the following sections.
Some balance issues may be software related. New releases of the software may correct these
issues. The Explorer
®
Balance has upgradeable software in the Terminal and the Base modules.
The software revision in the balance can be seen when the balance is in standby mode or during
the power up sequence. The software version is displayed in the lower right hand corner of the
screen. The screen will show:
Model number for example: Explorer
®
EX6201
Capacity and readability 6209g x 0.1g
Software Revision “Terminal” / “Base” Version 1.00 / 0.14
The balance software can also be retrieved by sending a “PV” command via the RS232 or other
interface.
See
Appendix C
for the software upgrade procedure.
Check the Service Bulletins on the Ohaus DMX site for information on software upgrades.
2.3
DIAGNOSTIC GUIDE
Diagnostic Guide designed to help locate the problem area quickly and easily. The probable causes
are listed with the most common cause first. If the first remedy does not fix the problem, proceed to
the next remedy. Before attempting to repair the balance, read all chapters of this manual to be
familiar with the balance components and operation.