4-1
4. MAINTENANCE
&
TROUBLESHOOTING
4.1 Maintenance
Regular maintenance is important for maintaining good performance. Follow the
recommended procedures to keep the equipment in good working order.
WARNING
Do not open the equipment.
Hazardous voltage which can
cause electrical shock exists
inside the equipment. Only
qualified personnel should
work inside the equipment.
4.1.1 Check
points
The items to check on a regular basis are tabulated below.
Check point
Action, remedy
Frequency
Cabling
Check for damage. Replace if
damaged.
Monthly
Connectors on units
Check for tight connection.
Reconnect as necessary.
Monthly
Ground on units
Check for corrosion. Remove
corrosion as necessary.
Monthly
4.1.2 Cleaning
Dust on the equipment should be removed with a soft, dry cloth. For stubborn dirt,
water-diluted mild detergent may be used. DO NOT use chemical cleaners to clean the
equipment; they can remove paint and markings.