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11.
Troubleshooting
11.1.
Identifying problems
11.1.1. Utilizing relay outputs
The ACM 150 monitor computer constantly monitors the operating status of the system. If
any problem develops that requires the user’s attention, it generates a message identifying
the problem. The sooner you are aware of a problem, the sooner you can take action to
resolve it and minimize (or even avoid) downtime. Therefore, it is critical that you utilize
the relay outputs that activate under these conditions:
• 81 Power fail
• 82 Watchdog timer (computer problem)
• 83 Manual mode
• 84 General malfunction
• 85 General Alarm 1
• 86 General Alarm 2
NOTE
These relays should be wired to a central control system or alarm panel monitored
by personnel so that conditions requiring service attention are known as soon as
possible.
11.1.2. Utilizing daily inspections
A quick daily inspection of the ACM 150 monitor is recommended as a backup to
monitoring the output relays. This will help you identify problems and provide an inspection
record.
If you cannot access the system, you can check the display from a remote location, look
at the Status Bar and Recent Scan mode, and check off the upper part of the form.
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