Testing and Maintenance
P/N 06-237058-001 6-3 February 2012
6-4 TESTING FREQUENCY
The testing frequency shall be per NFPA 72 (latest edition) or the following (whichever is more
stringent).
6-5 FUSE REPLACEMENT
The PMU Board includes a 15A fuse (F1) which may need to be replaced periodically. A replacement
fuse kit, P/N 76-800030-007, is available.
Note: If the ARIES NETLink displays a “Battery Disconnected Fault” when batteries are physically
connected, the fuse on the PMU Board may need to be replaced. A bad fuse will report this
trouble.
To replace the fuse:
1. Remove the fuse which is in place from the fuse holder and discard.
2. Insert the replacement fuse and gently push into place.
Refer to Figure 1-10 for location of the fuse.
Table 6-2. Testing Frequency
Battery status check Annual
Battery test Semi-annual
Lamp test Semi-annual
System test Semi-annual
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