Troubleshooting Procedures - Honeywell UDC2300 Product Manual

Other symptoms
If a set of symptoms or prompts other than the one you started with appears while
troubleshooting, re-evaluate the symptoms. This may lead to a different troubleshooting
procedure.
If the symptom still persists, refer to the installation section in this manual to ensure
proper installation and proper use of the controller in your system.

7.7 Troubleshooting Procedures

Introduction
The troubleshooting procedures are listed in numerical order as they appear in Table 7-4.
Each procedure lists what to do if you have that particular failure and how to do it or
where to find the data needed to accomplish the task.
TROUBLESHOOTING MAY REQUIRE ACCESS TO HAZARDOUS
LIVE CIRCUITS, AND SHOULD ONLY BE PERFORMED BY
QUALIFIED SERVICE PERSONNEL. MORE THAN ONE SWITCH
MAY BE REQUIRED TO DE-ENERGIZE UNIT BEFORE SERVICING.
Failure to comply with these instructions could result in death or serious injury.
Equipment needed
You will need the following equipment in order to troubleshoot the symptoms listed in
the tables that follow:
• Calibration sources – T/C, mV, Volt, etc.
• Voltmeter
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UDC2300 Limit Controller Product Manual
Troubleshooting/Service
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