3BSE036351-510 A 191
Section 5 Maintenance
This section describes preventive and corrective maintenance measures for the
AC 800M Controller together with troubleshooting procedures for both the system
and individual units.
Preventive Maintenance Frequency Schedule
Before attempting maintenance or troubleshooting, read the Safety Summary on
page 13. Failure to do so could lead to personal injury or damage to equipment.
Table 25. Preventive Maintenance Frequency Schedule
Frequency Equipment Procedure
At regular, user-
defined intervals
Complete system Carry out a visual inspection of all system
hardware, connectors and wiring. Check for
the:
• Physical damage and deterioration
• Secure attachment
• Condition of connectors and wiring
• LED function
Correct any defects.
2 Years PM8xx
Internal Battery
(if fitted)
Change battery
See Internal Battery on page 192