51
Fault
codes
Symtom/Error
Message
Icon Cause Action
N/A Bump Test Fail
Lock.
The monitor has not
been gas tested in the
dened period and the
gas test lock function
has been activated.
The monitor needs
calibration.
71 Battery low
Battery Low (about 20
to 30 minutes before
switch off)
Exit the hazardous area
as soon as possible and
recharge battery.
9.2.2 Fault codes
The following fault codes are not xable by the user and the instrument should be sent to an
authorised service agent:-
Fault code 4,5,6,7,8,11,12,13,14,15,16,17,19,20,25,26,27,28,29,30,50,51,52,53,54.