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MAINTENANCE AND TROUBLESHOOTING
3.1 Introduction
This chapter describes how to maintain and troubleshoot the LDT-5525 Temperature Controller. Included are
sections covering calibration, disassembly, and toubleshooting.
THE SERVICE PROCEDURES DESCRIBED IN THIS CHAPTER ARE FOR USE
BY QUALIFIED PERSONNEL. POTENTIALLY LETHAL VOLTAGES EXIST
WITHIN THE LDT-5525
ELECTRIC SHOCK, DO NOT PERFORM ANY OF THE PROCEDURES
DESCRIBED IN THIS CHAPTER UNLESS YOU ARE QUALIFIED TO DO SO.
QUALIFIED SERVICE PERSONNEL ARE REQUIRED TO WEAR PROTECTIVE
EYEGLASSES AND ANTI-STATIC WRIST BANDS WHILE WORKING ON THE
LDT-5525 TEMPERATURE CONTROLLER CIRCUIT BOARDS.
CAUTION!
HIGH VOLTAGES ARE PRESENT ON AND AROUND THE
PRINTED
CIRCUIT
CONTROLLER.
Chapter 3
WARNING
TEMPERATURE
BOARDS
OF
THE
3-1
CONTROLLER.
TO
LDT-5525
TEMPERATURE
AVOID
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Troubleshooting
