Maintenance
3. Remove the sensor cover.
a) Loosen the screw on the top of
the sensor cover.
b) Holding the screw, tilt it
downwards from the upper edge
of the cover.
4. Pull out the gas sensor to remove it.
5. Ensuring that the sensor pins are
correctly aligned, insert a new sensor
into the sensor socket.
CAUTION
Do not force the sensor into the socket, otherwise it may be damaged.
6. Press and hold the UP button for 2
seconds to activate warm-up mode.
In this mode, the output continues to
be held in its inhibit state.
7. Replace the sensor cover and secure
with the screw, taking care not to
over-tighten it.
8. Switch to normal monitoring mode
by holding the DOWN button for 5
seconds.
9. Perform a calibration in accordance
with Calibration on page 34.
4.7 Resetting Alarms and Faults
When there is latched gas alarm or faults, reset them by pressing the
UP or DOWN button shortly. This will reset latched alarms and faults,
and initiate a self diagnostics to make sure there is no warning or fault
in the detector.
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