Honeywell GasAlert Max XT II User Manual page 74

Problem
Detector does not display normal
ambient gas reading after startup tests.
Detector does not respond to
pushbutton.
Detector does not accurately
measure gas.
Detector does not enter alarm.
Table 7. Troubleshooting
Possible Cause
Sensors not stabilized
Sensor(s) requires calibration
Target gas is present
Battery is depleted
Detector is performing operations that do
not require user input
Sensor(s) requires calibration
Detector is colder/hotter than gas
temperature
Sensor filter is blocked
Alarm setpoint(s) are set incorrectly
Alarm setpoint(s) set to zero
Detector is in calibration mode
Solution
Used sensor: Wait 60 seconds
New sensor: Wait 5 minutes
Calibrate the sensor(s). Refer to Calibration.
Detector is operating properly. Use caution in
suspect areas.
Charge the battery. Refer to
tery.
Pushbutton operation restores automatically
when the operation ends.
Calibrate the sensor(s). Refer to Calibration.
Allow the detector to attain ambient
temperature before use.
Replace the sensor filter. Refer to
Sensor or Sensor Filter.
Reset the alarm setpoints. Refer to
Gas Alarm Setpoints.
Reset the alarm setpoints. Refer to
Gas Alarm Setpoints.
Complete the calibration procedure.
GasAlertMaxXT II
Troubleshooting
Charging the Bat-
Replacing a
Resetting
Resetting
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