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Internet Alarm Communicator Installation Manual
Table 12: Response Code Descriptions and Corresponding Actions
The table above displays the firmware update indicator codes and meaning of each code. The
updates can be made from communicator. Communicator can update firmware of the panel and
also of communicator itself. This section does not provide specific details such as if the image is
still stored or erased due to the cancellation code.
Response
Code
Description of Response Code
Corresponding Action
Bad File
00
Version check failed
Contact DSC Tech Support, described the action attempted
with the system and supply them with the Response Code in
Section [983].
01
Image type mismatch
02
Device type mismatch
03
Hardware type mismatch
04
General variant mismatch
05
Firmware header wrong length
Panel is Busy
20
System update pending - panel is armed
Disarm the panel to continue with system firmware update
process.
21
System Update Pending -AC Trouble
(Any AC Trouble; Device/Module)
Resolve the AC trouble to continue with system firmware
update process.
22
System Update Pending -Low Battery
(Any Low Battery Trouble; Device/Module)
Resolve the Low Battery Trouble to continue with system
firmware update process.
25
System update pending - communication in
progress
Retry in a few minutes; if issue persists, contact DSC Tech
Support.
Firmware Update Sequence Change
A0
System firmware update successful
None
A1
System firmware update failure
At least one module was not updated. Use DLS to reapply the
firmware to the module not updated.
A2
System firmware update failure - module not
found
At least one module was not responding during firmware
update. Ensure all modules enrolled are physically connected
and powered up.
AA
Device firmware transfer begin
None
AB
Device firmware module update begin
None
AC
General device firmware transfer failure
Contact DSC Tech Support, describe the action attempted
with the system and supply them with the Response Code in
Section [983].
Firmware Update Status
C0
System ready to update
None
C1
System update cancel request received
The system has received an update cancel request from DLS.
C2
System update begin
None
Firmware Download Request Reject
E0
Reserved
E1
E2
E3
E4
E5
Remote firmware update disabled
Enable remote firmware update in the communicator in order
to perform remote system firmware update.
Local Status Update States
FE
Firmware file empty
No action required. Communicator currently does not have
any firmware files.
FD
Firmware download in progress
No action required. Communicator is currently downloading
firmware.
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