Diagnostics and error handling
6.1 Diagnostics
ASIMON V3 - Configuration software for AS-Interface safety monitor
160 Programming and Operating Manual, Edition 09/2008, GWA 4NEB 333 1558 02 DS 02
In addition, each OSSD also has three LEDs (only in the tree structure display) which cor-
respond to the device LEDs on the AS-Interface safety monitor: 1, 2 and 3 (for a description of
the states, refer to the operating manual of the AS-Interface safety monitor).
The devices or device LEDs can have the following states:
Display or colour Meaning
green,
continuous
Device is in the ON state (switched on)
green,
flashing
Device is in the ON state (switched on), but already in the process of
being switched to the OFF state, e.g. switch-off delay
yellow,
continuous
Device is ready, but is still waiting for another condition, e.g. local
acknowledgement, diagnosis stop or start button
yellow,
flashing
A (start) test must be performed
red,
continuous
Device is in the OFF state (switched off)
red,
flashing
The error lock is active, release by means of one of the following
actions:
• Reset of error condition with the Service button
• Actuate slave for reset of error condition
• Power OFF/ON
• AS-Interface bus OFF/ON
grey,
off
No communication with the AS-Interface slave
Note
Additional diagnostic information can be obtained via the AS-Interface bus and the device
LEDs on the AS-Interface safety monitor and, if applicable, the participating AS-Interface
slaves. Additional information on diagnostics can be found in chapter 7.