Troubleshooting - MSA ALTAIR 4XR Operating Manual

4.1

Troubleshooting

Problem
ERROR TEMP
ERROR EE
ERROR PRG
ERROR RAM
ERROR BT
ERROR UNK
LOW BATT
BATT
ALARM
ERROR CHARGE
SENSOR ERROR
Device does not
turn on
*
or
(flashing)*
*Sensor Warning and Sensor Alarm indicate that the device detects a loss of sensor sensitivity during
calibration. In addition to true loss of sensor sensitivity, the device may issue a Sensor Warning or
Sensor Alarm if calibration gas is expired, misapplied or not used during the span calibration. Ensure
the quality of the calibration gas and the calibration gas delivery system. Recalibration may remove the
Sensor Warning or Sensor Alarm indication.
Description
Temperature is below
-40°C (-40 °F) or above 75°C (167 °F).
EEPROM Memory error
Flash Memory error
RAM Memory error
Bluetooth error
Unknown error
Battery warning repeats every
60 seconds.
Battery is completely discharged.
Charge error
Missing Sensor
Low battery
Sensor Warning
Sensor Alarm
ALTAIR
Reaction
Return device to normal
temperature range and recalibrate.
Contact MSA
Contact MSA
Contact MSA
Contact MSA
Contact MSA
Contact MSA
Remove from service as soon as
possible and recharge battery
Device is no longer sensing gas.
Remove from service and recharge
battery.
Device must be between 10° C and
36° C to charge.
Contact MSA if problem persists
Verify if sensor is properly installed
Charge device
Sensor is near the end of its life
Sensor has reached the end of its life
and cannot be calibrated. Replace
sensor and recalibrate.
®
4XR
Maintenance
US
41