MSA altair 4 - Maintenance; Troubleshooting

MSA MAINTENANCE
ALTAIR 4 - Operating Manual 41
4 Maintenance
If an error occurs during operation, use the displayed error codes to
determine appropriate next steps.
WARNING
Repair or alteration of the Altair 4 Multigas Detector, beyond the proce-
dures described in this manual or by anyone other than a person
authorized by MSA, could cause the instrument to fail to perform
properly. Use only genuine MSA replacement parts when performing
any maintenance procedures described in this manual. Substitution of
components can seriously impair instrument performance, alter intrinsic
safety characteristics or void agency approvals.
FAILURE TO FOLLOW THIS WARNING CAN RESULT IN SERIOUS
PERSONAL INJURY OR DEATH.
4.1 Troubleshooting
Problem Description Reaction
ERROR TEMP
Temperature is below
-40°C or above 75°C.
Return instrument to
normal temperature
range and recalibrate.
Contact MSA
ERR/AD COMB
ERR/AD MAIN
Sensor measurement
error
Contact MSA
ERROR
CMBPWR
Combustible sensor
power supply error.
Contact MSA
ERROR EE
EEPROM Memory error Contact MSA
ERROR PRG Flash Memory error Contact MSA
ERROR RAM RAM Memory error Contact MSA
ERROR UNK Unknown error Contact MSA
LOW
BATT
Battery warning repeats
every 15 seconds.
Remove from service
as soon as possible
and recharge battery
BATT
ALARM
Battery is completely
discharged.
Instrument is no longer
sensing gas.
Remove from service
and recharge battery.
ERROR
SENSOR
Sensor error
Replace sensor and
recalibrate.
Contact MSA
Instrument does
not turn ON
Low battery Charge instrument