WirelessHART Toxic & Combustible Gas Detector
IM_TCD60-01
www.ueonline.com/vanguard
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5.0 TROUBLESHOOTING GUIDE
The Vanguard WirelessHART gas detector is used as part of a wireless mesh network that may communicate with
other manufacturers’ WirelessHART devices, Gateways, and control systems. The following provides troubleshooting
suggestions for common operating problems that may be encountered.
5.1 Hardware
SYMPTOM
POSSIBLE CAUSES
RECOMMENDED ACTIONS
Sensor is not recognized by the device
Poor connection between sensor and
device
Check the integrity of the 8-pin connector in the
sensor. Pins must not be bent.
Incorrect placement of sensor
Ensure that the sensor is completely snapped in
place.
Device does not operate (i.e., device
does not refresh even if button was
pushed)
Battery not connected properly
Check the battery is seated properly in the bat-
tery compartment.
Check the integrity of the 5-pin connector at the
battery port. Pins must not be bent.
Battery is dead
Check battery status on the display for available
battery life.
Replace battery.
Device unable to move beyond the idle
or search mode
Incorrect Network ID and Join Key
Check the Network ID and Join Key and attempt
rejoining network.
Network is not self advertising
Check that the network is in the active network
advertise mode.
Power cycle device and try again.
Device is not responding to the
calibration gas
Incorrect gas or gas concentration
Check gas type and concentration.
Incorrect calibration
Review the Calibration procedure listed within on
page 20.
Poor gas delivery
Check gas delivery equipment components.
Poor connection between sensor and
device
Check the integrity of the 8-pin connector in the
sensor.
Ensure that the sensor is completely snapped
into place.
Replace the sensor.
LCD does not refresh
Extreme ambient temperature
Transfer device within temperature range -40°C
(-40°F) to 65°C (149°F).
Battery is dead
Check battery status on the display for available
battery life. Replace battery if necessary.
Battery not connected properly
Check the battery is seated properly in the bat-
tery compartment.
Check the integrity of the 5-pin connector at the
battery port.
LCD has slow refresh rate
Extreme ambient temperature
A slow refresh rate is normal at low temperature.
This is intentional to enhance the viewing of the
LCD.
Table 11