Troubleshooting/Service
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
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.
Equipment needed
You will need the following equipment in order to troubleshoot the symptoms listed in the tables that follow:
•Multimeter – Capable of measuring millivolts, milliamps and resistance.
•Calibration sources – T/C, mV, Volt, etc.
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