6 Preventive Maintenance and Fault-finding
6.1 Introduction
This chapter provides the schedules and instructions, where applicable, for routine inspection, cleaning and maintenance of the
6.2 Preventive Maintenance
6.2.1 Routine Inspection
1.1.1.35 Cooling fans
This equipment must never be used unless all the cooling fans are working. They should be checked when the unit is switched on and periodically thereafter.
6.2.2 Cleaning
oRemove power from the unit.
oClean the external surfaces of the
oMake sure that the unit is completely dry before reconnecting it to a power source.
6.2.3 Servicing
Warning: Do not attempt to service this product as opening or removing covers may expose dangerous voltages or other hazards. Refer all servicing to service personnel who have been authorised by Network.
1.1.1.36 Damage requiring service
Unplug the unit from the power and refer servicing to qualified personnel under the following conditions:
oThe power supply cord or plug is damaged
oLiquid has been spilled or objects have fallen into the product o Product has been exposed to rain or water
oProduct does not operate normally by following the operating instructions
oProduct has been dropped or has been damaged o Product exhibits a distinct change in performance
6.3 Maintenance
6.3.1 Warranty
The
Page 70