Vega WHA-GW-WIRELESSHART GATEWAY User Manual download pdf (Page 89)

WHA-GW-*

Troubleshooting

221981 2011-07

89

8.3 Wireless Communication Faults

Fault Possible cause Corrective action

The Gateway

cannot find a

WirelessHARTd

evice in the

network.

The device has not yet joined the

network.

The joining process may take a

while. Check the join status in the

Gateway's Instrument List.

Alternatively, check the wireless

communication parameters (join

status) of the device via a HART

modem connected to the device.

The device carries the wrong

network ID and/or the wrong join

key.

Check the wireless

communication parameters of the

device via a HART modem

connected to the device. The

device and the Gateway must

have the same network ID and

join key.

There are not enough neighboring

WirelessHART devices within the

device's antenna range.

Check the number of neighbors

(Diagnosis > Wireless

Communication). There should be

at least 2 neighbors.

The wireless

connection to a

WirelessHART

device is poor

and disappears

from time to

time

There are not enough neighboring

WirelessHART devices within the

device's antenna range.

Check the number of neighbors

(Diagnosis > Wireless

Communication). There should be

at least 2 neighbors.

Walls or other static/moving

objects block the radio signals, or

the antenna is not aligned

vertically.

Consider the position of the

Gateway (see chapter 3.1) or use

an external antenna.

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