Toshiba Carrier BMS-IFBN1281U-UL Service Manual page 87

BN interface
 Configuring settings
(1) Turn on the BN interface, and wait until it reaches step 5 of the startup procedure. Refer to "Startup and Shutdown" for
details.
(2) Hold down the BN interface Shutdown button for at least 4 seconds. [LED-L1 Step1]
(3) BN interface will start reading the equipment data of the indoor units. [LED-L1 Step2]
(4) When reading of equipment data in the indoor unit ends normally, the BN interface will automatically start. [LED-L1 Step3]
(5) When the preparations for BACnet communications end normally.[LED-L1 Step5]
(6) Check the search results file (SearchObjectLog.tsv) on the BN interface. The engineering tool is required for this
"Section 10-3.". The following are output into the search results file: Execution date/time, number of indoor units found, the
BN interface IP address and the "series address_unit address," model name, specific number, and whether an error
occurred for the indoor units found for each central address (1 to 128). Check that the number of indoor units found matches
the number of indoor units installed.
LED-L1 and LED-L2 display changes between (3) and (6) above
Air-conditioning search mode process
Step
1 Preparing to search for air conditioners
Searching for air conditioners
2 (After searching, an indoor unit configuration file is
output)
Reading setting files and initializing
3
Processing BACnet communication settings
4
(time synchronization, etc.)
Operating normally
5
If an error occurs during reading of equipment data from the indoor unit or when preparing for BACnet communications, LED-
L1 will go on.
Air-conditioning search mode process
Step
An error occurred while searching for indoor units
Step2
and the search was stopped
ERROR
Step3
Startup has stopped due to a settings file error
ERROR
ON
OFF
* Control interval (time length of 1 cell): 200 ms
LED-L1
LED-L1
Service Manual
-EN
87