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6 Troubleshooting
6.1 Frequently Asked Questions
Why is my driver not installing?
If your computer fails to find the driver automatically, please follow the manual driver install process. It should
prompt you to select a driver. Choose ‘manually select driver’ or ‘have disc’ (this will vary depending on
operating system).
Why can’t I find the Metron 2 COM port?
The COM port should appear in device manager. If you do not see the COM port then you should instead see
The Metron 2 is appearing as the Metron ATEX in device manager, why?
The Metron 2 uses the same driver as the Metron ATEX. Because of this, it will appear as ‘Metron ATEX’
Why is my alarm not being triggered when it should?
Alarms are triggered when thresholds are crossed. Common reasons for no alarm triggering are:
It has not yet had one wakeup interval (alarm becomes active after the first wakeup)
The threshold has been programmed on the incorrect channel
It has not actually crossed a threshold (check reading using ‘read now’)
Why is the progress bar stuck on 70%?
When it reaches 70%, it has connected to the network successfully and is trying to establish a connection to the
remote server. Part of this include GPRS attach and context activation. These processes sometimes require a
retry. Additionally the server may be unreachable if there are problems elsewhere. In general, it will take longer
on the first few transmits. Please be patient as all of the previous described processes take time. If the unit
cannot establish a connection it will fail and present an error to you.
Why is my pulse not being counted?
Pulses are only supported on the expansion card, channels 5 – 9. Please double check the wiring of the
expansion card. Additionally, if you have set a pre-scaler, you will need to account for this when counting
pulses.
My sensor is already fitted, powered and part of a 4-20mA loop.Can I still use it with the Metron2..?
Yes, wire to IN and 0V.
Can I fit the Metron2 in an explosive environment?
No – the Metron 2 needs to be mounted in a safe area and if you are connecting to sensors in potentially
explosive areas you will need to use suitably approved barriers. Please do not proceed unless you understand
the regulations surrounding explosive environment and electrical equipment.
I have no signal, what can I do..?
Move the unit or fit an external antenna. Make sure you are NOT using a 3G only SIM
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