MSA Altair Mode D'emploi page 33

The instrument displays an error code if it detects a problem during
startup or operation. See TABLE 5-1 for a brief description of the error
and proper corrective action.
Table 5-1. Troubleshooting Guidelines
PROBLEM DESCRIPTION
DISPLAY
TOGGLES
BETWEEN:
TMP/ERR Temperature out of range
AD/ERR Sensor feedback error
EE/ERR EEPROM inoperative
PRG/ERR Program Memory
inoperative
RAM/ERR RAM inoperative
TMR/ERR Time or Clock Error
BTN/ERR Button error (stuck down)
PWR/ERR Unexpected Power Loss
Errors
LED/ERR LED inoperative
VIB/ERR Vibrator inoperative
UNK/ERR Unknown Error
UND/ERR Sensor Under range
Low battery warning
indicator (no alarm)
Low battery Alarm
indicator (horn sounds,
/ERR LEDs activate
SNS/ERR Sensor Error
ACTION
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Contact MSA during warranty period
Verify operation of two alarm
LEDs in alarm
Verify operation of vibrator in alarm
Contact MSA during warranty period
Calibrate instrument
Remove from service
Remove from service
Contact MSA during warranty period.
5-3