User's Manual

Table Of Contents
Manual B-Net® 91 04 Start-Up
12/2008 © Kaba GmbH 29
6.2 Cold start
The device can be reset to default settings by means of a cold start.
How to perform a cold start:
Turn off the device
Push the cold start button and keep it pressed
Turn the device on
Release the cold start button after approx. 3 seconds
After a successful cold start, an acoustic signal can be heard, and the status LED
flashes three times.
2
1
Fig. 13: Cold start button (1) and status LED (2).
Remark
The following applies to parameters being changed in the system mode:
Parameters adapted via LOWPAR are reset to default settings by means of the cold
start.
Configuration parameters set by the SETHWC command and diagnostics data are
maintained.
6.3 Status LED
The device has a red status LED (2) to signalize states or errors.
After switching on, the LED is lighted shortly and switched off immediately if
operation is trouble-free.
The following states are possible:
LED is still lighted after reset Program does not run
LED flashes 6 times after reset First start (basic initialization)
LED flashes 3 times after reset Cold start
LED flashes once System mode becomes active
LED is switched off immediately after reset Program runs error-free
LED flashes continuously Program has detected an error
The error can be stored in the EEPROM memory and displayed directly or via a
command, see system mode).