Communications module messages
Message Possible cause Suggested action
Communications module did not
power on properly. Power down
the device. (High-priority alarm)
The communications board is not connected
properly to the main board.
Check the USB connection at
J4. Check the Power
connection at J50. Check the
voltage from J49 on the main
board for +5.0, ±0.5V DC.
Replace the main board if
necessary.
The communications board malfunctioned. Replace the communications
board.
Radio messages
Message Possible cause Suggested action
Alarm
Radio not functional. Call for
service.
A hardware failure occurred Replace the radio.
The radio has the wrong software Update the radio software.
Radio error. Power down and
restart.
The monitor and the radio failed to establish
communication with each other
Power down and restart the
monitor.
If the problem persists, check
the following:
• The USB and power
connections from the
main board to the
communications board.
• The connection from the
radio board to the
communications board.
• Monitor and radio
software compatibility.
Replace the radio if
necessary.
The radio is not connected Check USB connections to the
communications board.
Unable to establish network
communications. Radio out of
network range.
The radio is no longer communicating with
the access point
Verify that the monitor is
within the radio coverage
area. Verify that the radio is
correctly configured to the
network. If this message
appears intermittently, check
the RSSI value.
Unable to establish network
communications. Call for
service.
Unable to get an IP address from the DHCP
server
Verify that a DHCP sever is
available on the network. The
monitor requires an IP
address from a DHCP server.
42
Troubleshooting Welch Allyn Vital Signs Monitor 6000 Series™
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