Troubleshooting

The ALTAIR Single Gas Detector will operate reliably when handled properly. If the instrument becomes inoperative, follow the Troubleshooting Guidelines in Table 2 ; these represent the most likely causes of a problem. You may return inoperative instruments that are under warranty to MSA:

MSA North America Repair and Service Department

1000 Cranberry Woods Drive

Cranberry Township, PA 16066-5207

1-800-MSA-INST

To contact MSA International, please call:

1-412-967-3000 or 1-800-MSA-7777

WARNING!

Repair or alteration of the ALTAIR Single Gas Detector, beyond the procedures 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.

The instrument displays an error code if it detects a problem during startup or operation. See Table 2 for a brief description of the error and proper corrective action.

Table 2 Troubleshooting Guidelines

Problem	Description	Action
Display Toggles Between:
TMP/ ERR	Temperature out of range	Remove from service. Contact MSA during warranty period.
AD/ ERR	Sensor feedback error	Remove from service. Contact MSA during warranty period.
EE/ ERR	EEPROM inoperative	Remove from service. Contact MSA during warranty period.
MEM/ RST	EEPROM Data Error	Calibrate instrument. Reconfigure any custom settings (alarm setpoints, datalog, etc.) Remove from service. Contact MSA during warranty period.
PRG/ ERR	Program Memory inoperative	Remove from service. Contact MSA during warranty period.
RAM/ ERR	RAM inoperative	Remove from service. Contact MSA during warranty period.
TMR/ ERR	Time or Clock Error	Remove from service. Contact MSA during warranty period.
BTN/ ERR PWR/ ERR	Button error (stuck down) Unexpected Power Loss Error	Remove from service. Contact MSA during warranty period. Remove from service. Contact MSA during warranty period.
LED/ ERR	LED inoperative	Remove from service. Contact MSA during warranty period.
VIB/ ERR alarm	Vibrator inoperative	Remove from service. Contact MSA during warranty period.
UNK/ ERR	Unknown Error	Remove from service. Contact MSA during warranty period.
UND/ ERR	Sensor under range	Calibrate instrument. If calibration does not correct this error, remove from service.
	Low battery warning indicator (no alarm)	Remove from service. Contact MSA during warranty period.
/ERR	Low battery Alarm indicator (horn sounds, LEDs activate)	Remove from service. Contact MSA during warranty period.
SNS/ ERR	Sensor Error	Remove from service. Contact MSA during warranty period.