4001 non-addressable control and indicating equipment
Installation and Service Manual
22
32-0002-r12_2018-09
© 2015 ~ 2018 Ambest Electronics (Ningbo) Co Ltd. All rights reserved.
All specifications and other information shown were current at the date of publication and subject to change without notice.
11.3. Preventive Maintenance
Unless the batteries have been tested and found to have sufficient capacity to fulfil the fire detection and
alarm system power requirements, replace the batteries after the manufacturer's recommended battery
service life.
11.4. Mains Fuse Replacement
The AC Mains fuse is housed in the mains wiring terminal block.
If the mains fuse is blown, replace it with 4 A / AC 250 V slow blow (20 mm).
11.5. Firmware Upgrades
The firmware includes a calculated checksum that is used to determine if the firmware has become corrupted.
If the firmware is upgraded, the checksum needs to be re-calculated. To re-calculate the checksum, undertake
the following actions and tests:
1) Enter Access Level 3.
2) Press the SOUNDERS button. Check that the ACK LED flashes.
3) Press the ACK button to confirm.
To Next Page
Loading...
Need help?
General
