Environmental Noise Measurement Kit User Manual
Page 28
Appendix 6 Troubleshooting
If you are experiencing problems connecting to your Optimus Sound Level Meter in the CK:685B
Environmental Noise Measurement Kit, follow the steps below.
Firmware & Software Versions
Check the firmware version on your Optimus Sound Level Meter. This can be seen on the first page of the
general view.
The firmware version must be 3.0 or later
If you have an older version of firmware in your Optimus, please contact Cirrus Research plc to arrange for
your instrument to be updated.
On Screen Error Messages
If your firmware version is correct but you are still unable to connect, check the on-screen error messages
against this table.
This can be found on the peripherals page of the general view of the Optimus display.
Error
code
Typical Cause
Solution
Notes
0
The modem not powered
on
Check power to the Modem from the
battery pack.
Power off the Optimus, wait 30 seconds
and switch on the Optimus.
If problem persists, please contact
Cirrus Research or your local
distributor.
1
SIM missing / not
inserted correctly / not
active
Check that the SIM is inserted correctly.
Power off the Optimus, wait 30 seconds
and switch on the Optimus.
If problem persists, contact SIM
provider to verify that the SIM is
correctly provisioned.
2
Internal modem problem Wait for the unit to automatically retry.
If problem persists, please contact
Cirrus Research or your local
distributor.
3
No GSM signal detected
Check that the antenna is connected
properly.
Check that the system is in a location
where there is good signal availability.
Check that the SIM does not have a PIN
lock
This error may also be caused when
the SIM card is requesting a PIN.
4
No Data (GPRS/3G)
service detected
Check data service availability with
operator.
Check that the system is in a location
where there is good signal availability.
5-
7,9,10
Unable to connect to the
network
Wait for the unit to automatically retry.
If problem persists, please contact
Cirrus Research or your local
distributor.
8
Unable to obtain IP
address
If custom APN settings are required,
check that these have been set via
NoiseTools.
11,12
Unable to connect to
Check the Optimus Dynamic/Cloud
If problem persists, please contact
