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CHAPTER 4

MAINTENANCE

INTRODUCTION

The primary purpose of this chapter is to describe the recommended trouble-

shooting method to be used with the LDM products. It should be referred to

if ever a questionable symptom arises during the operation of any LDM

device.

The LDM products are designed to provide users with many years of trouble-

free operation. There are no user serviceable components in any LDM device.

There are no consumable items or supplies that need to be replaced or replen-

ished. The user may, occasionally, need to wipe dust away from the external

surfaces of a unit. This should be done with a clean, dry cloth. The mechani-

cal design of the housing and chassis provide the electronic assemblies with a

nearly sealed environment. Due to the low power requirement of each prod-

uct, ventilation holes are not required. The inside of each unit should remain

clean indefinitely.

PCB REMOVAL AND INSERTION

The PCB inside the standalone version LDM-1 should never be removed

from its aluminum case. Internal jumpers and switches are accessible once the

top cover is removed. However, access to the user configured settings of the

LDM-1 plug-in PCB installed within the LDM-16 nest require removal of the

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Micro-Aide LDM-1 Manuale Utente Pagina 31