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WAGO Gateway Installation and Service
Connections and Operating Elements
LED indicators
LED
Status
User LED U1
Green
Red
Other
Power supply unit
Legend
A INPUT 120VAC, 60 Hz
B OUTPUT 24VDC, 1.3A
Meaning
The connection to the boiler is active.
The CAN bus interface has the status
"Bus Off": Short circuit or other serious
fault
Fault
(continued)
Measure
--
H Check CAN bus connection:
Plug, cable, terminator
H Check whether boiler is switched on.
H Check installation and connections of
gateway and power supply unit.
H If the fault cannot be rectified, contact
Viessmann Technical Service.
Contact Viessmann Technical Service.
Installation
13
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