C H A P T E R 3
MAINTENANCE AND TROUBLESHOOTING
This chapter describes how to maintain and troubleshoot the
THE SERVICE PROCEDURES DESCRIBED IN THIS CHAPTER ARE FOR USE BY QUALIFIED PERSONNEL. POTENTIALLY LETHAL VOLTAGES EXIST WITHIN THE LDT 5525 TEMPERATURE CONTROLLER. TO AVOID 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
TEMPERATURE CONTROLLER CIRCUIT BOARDS.
HIGH VOLTAGES ARE PRESENT ON AND AROUND THE PRINTED CIRCUIT BOARDS OF
THE
Calibration Overview
The
All calibrations can be done with the case closed. The instrument is calibrated by changing the internally stored digital calibration constants.