Ampcontrol Pty Ltd
– ABN 28 000 915 542
GG2 DETECTOR USER MANUAL
GG2B011 Version 3
– June/19
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 27 of 39
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6.2.2 Corrective Maintenance
During maintenance, it is vital to ensure that suitable procedures are followed to prevent any abnormal
sensor signal from unintentionally operating any fault, warning or alarm status indicator, or equipment
control function. Consult the relevant control unit manual for details as to how to do this.
There are no user serviceable parts. If a fault develops, the detector must be returned to an accredited
repair facility.
Table 8: Corrective Maintenance Checks
Fault
Checks
GG2 Detector will
not respond to
digital commands
a) Check that voltage and polarity applied to the instrument is correct.
b) Check the external interface is wired correctly to a compatible module.
c) Check for loose plug and terminal connections.
GG2 Detector
cannot be
Spanned or
Zeroed
a) Gas element has been damaged or is end of life, return to
manufacturer.
Measurement
range exceeded
a) Apply span gas and verify the result is within accuracy.
Device status
remains in warm-
up continuously
a) Check that voltage and polarity applied to the instrument is correct.
b) Turn the instrument off for >1 min before turning it back on.
c) Gas element has been damaged or is end of life, return to
manufacturer.
T90 Time
exceeded
a) Inspect and remove blockages from the filter cage.
b) Gas element has been damaged or is end of life, return to
manufacturer.
6.3 Disposal
ENVIRO
The electronic equipment discussed in this manual
must not be
treated as general waste
. By ensuring that this product is disposed of
correctly, you will be helping to prevent potentially negative
consequences for the environment, which could otherwise be caused
by incorrect waste handling of this product.
