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HMI (Human-machine interface)
For more detailed explanations on device states, functions and error display, cf. product
documentation A6V10631862
Push-button operation
Activity
Display current address
(in reverse order)
Enter push-button addressing
mode
Reset to OEM default settings
LED colors and patterns
Color
Green
Orange
Red
Resetting the device by push button
The VAV compact controllers can be reset by push-button:
1. Press button for >10s
2. Release button while LED still flashes
3. After those 3s
A factory reset by push-button leads to a reset of all parameters as described in the section
"Settings and operating mode" to the OEM default values. Since these values can be set by
the OEM, they are not necessarily the same as the Siemens factory settings.
All other parameters, especially the bus parameters, are reset to Siemens factory settings.
VAV compact controllers can also be reset by the VAV handheld tool AST20 or over bus.
Please refer to the corresponding operating manual / technical basics.
4 / 14
Siemens
Building Technologies
Push-button operation
Press button < 1s
Press button > 1s and < 5s
Press button > 10s
Pattern
Description
steady
Start-up
1s on / 5s off
Fault free operation ("life pulse")
flashing
Bus traffic
1s on / 5s off
Backup mode entered
Steady
Mechanical fault / device jammed
flashing fast
Sensor error: Pressure tubes interchanged or „Invalid configuration"
flashing slowly
Sensor error: Internal read error
1s on / 5s off
Internal error
LED starts flashing
LED shines
(reset), then
red
orange
LED keeps flashing for 3s
(start-up).
green
Confirmation
Current address is
displayed
Red LED shines
(release button before
LED gets dark)
Orange LED flashes
A6V10631832_en--_b
2016-01-29
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