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Siemens Building Technologies
Commissioning instructions OZW775 V2.01
CE1C5663en
HVAC Products
Overview
22.06.2012
1.2 Display and operating elements
OZW775
OZW775
1 2 3 4
6 7
8 9
56
63Z
09
5
11 12 21 22
Q
18 19 20 21
Q Q Q
Q Q Q Q
XX:XX:XX:XX:XX:XX
XXXXXXXXXXXX HEX
040601A001001
OZW775
1.2.1 LED displays
Dark
AC 24 V operating voltage or unit does not start.
Lit
Unit is ready for operation.
Flashing Communication with ACS.
Dark
No fault (normal operating state).
Lit
Fault in central communication unit and/or at fault inputs.
Indication of "Operating hours for service reached".
Flashing Fault is unacknowledged.
No configured "System" fault relay in the OZW775.
Dark
No fault (normal operating state).
Lit
Device fault in KNX network.
"System" fault relay configured in the OZW775.
Dark
No fault (normal operating state).
Lit
Device fault in KNX network, fault relay acknowledged.
Flashing Device fault in KNX network, fault relay unacknowledged.
Dark
No CF card integrated.
Lit CF
card
integrated.
Flashing CF card is integrated or removed (after pressing button "long" on "Config").
Dark
No bus power supply.
Steady green
Bus power supply available.
Flashing green Data exchange via KNX.
Steady red
Unit in addressing mode.
Overview
1 Run (green)
2 Local (red)
3 System (red)
4 CF cards (green)
5 KNX (green/red)