ENMET OMNI-4000 - Manual (Page 31)

OMNI-4000 S/N 6705 and above ENMET Corporation
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The action to be taken depends upon the MESSAGE displayed.
MESSAGE: Battery low ƒ Recharge the batteries
ƒ There is approximately 20 minutes of operating time left, after which the device
stops operating.
ƒ This alarm cannot be acknowledged; pressing ENTER has no effect.
MESSAGE: >100LEL ƒ Only concerns the explosive gas channel
ƒ Effect:
ƒ Latching of the display quadrant concerned
ƒ Continuous audible alarm which cannot be acknowledged
ƒ Explosive gas channel and general alarm indicator lamps are lit
ƒ Return to normal operation by turning OFF and restarting the OMNI-4000
ƒ Proceed with care in the area as there is a concentration of explosive gas above the
LEL
N OTE : This alarm occurs only when the "0-100% GAS" option has not been selected. If the OMNI-4000 is
programmed with this option, the reading goes directly to the "0-100% GAS" range; an instrument programmed with
this option must include an oxygen sensor to be operational.
MESSAGE: Over range ƒ Only concerns the toxic gas channels
ƒ Effect:
ƒ Continuous audible alarm which cannot be acknowledged
ƒ Toxic channel and general alarm indicator lamps are lit
ƒ Leave the area immediately as there is an excessive concentration of toxic gas
MESSAGE: New Cal ƒ Automatic zero reset (auto set) cannot be performed because, for instance, there is
an excessive drift from zero of a sensor
ƒ Replace the affected sensor. See Section 3.