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Chapter 7
7.1 Introduction
This chapter provides the schedules and instructions, where applicable, for routine
inspection, cleaning and maintenance of the equipment which should be performed
by an operator. There are also some basic fault-finding procedures to follow in the
event of a suspected unit failure
7.2 Preventive Maintenance
7.2.1 Routing Inspection
7.2.1.1 Cooling Fans
There are no routine checks associated with this unit other than to ensure that the
unit is adequately cooled. The fans should be on continuously. This unit must never
be operated unless the cooling fans are working. Check periodically.
Caution!
The fan contained within this unit is not fitted with an insect/dust filter. Pay particular
attention to the environment in which it is going to be used.
Failure to ensure a free flow of air around the unit may cause overheating.
7.2.2 Cleaning
Unplug the unit from the power supply outlet before cleaning. Do not use liquid or
aerosol cleaners. Use a damp cloth for cleaning the exterior of the unit.
7.2.3 Servicing
7.2.3.1 Conditions Requiring Servicing
Warning!
Removing the covers of this equipment may invalidate any warranties, cause a
safety hazard or/and affect the EMC performance. Refer all servicing to service
personnel who have been authorized by Ericsson.
Unplug the equipment from the wall outlet and refer servicing to qualified service
personnel under the following conditions:
1. When the power supply cord or plug is damaged.
EN/LZT 790 0005 R1A
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