MSA MAINTENANCE
4. Maintenance
If irregularities occur during operation, use the displayed error codes to determine
how to proceed further.
4.1. Troubleshooting
Problem Description Reaction
Alternating
display
TMP/ERR
Temperature out of range
Return instrument to normal
temperature range and
recalibrate.
Inform MSA
*)
AD/ERR
Sensor feedback error
Remove battery and
recalibrate.
Inform MSA
*)
EE/ERR
EEPROM error Inform MSA
*)
PRG/ERR Memory error Inform MSA
*)
RAM/ERR RAM error Inform MSA
*)
LED/ERR LED error Check alarm LEDs
VIB/ERR Vibration alarm error Check vibration alarm
UNK/ERR Indefinable error Inform MSA
*)
Battery
warning (no alarm)
Remove from service as soon
as possible and replace battery
/ERR
Battery warning
(with alarm – flash LEDs, horn)
Instrument is no longer sensing
gas.
Remove from service and
replace battery.
SNS/ERR Sensor error Inform MSA
*)
Instrument
does not turn
ON
Low battery Replace battery
*)
If the error occurs during the warranty period, please contact the MSA customer service. Otherwise,
the instrument must be put out of operation.
FASIT Srl - Via Orsera 13/b - 34145 TRIESTE - ITALY - Tel +39 040 825604 - www.fasit.it - info@fasit.it
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