Troubleshooting - Brainboxes RS232 Product Manual

12. Troubleshooting

In the rare occasion that you experience difficulties using this product, please read the following suggestions from
the table below before contacting our support team.
Symptom
Data doesn't seem
received by the product, but
seems to be sent by it (e.g. data
only travelling in one direction)
Interaction with the
appears slow and unresponsive,
but data does show eventually.
Cannot interact with the menu
Firmware upgrade (DFU Wizard)
fails
Manual for BL-521 5_3.doc
Description
to be This is normally the result of the
product being configured as requiring
RTS/CTS handshaking, but being
plugged into a device which does not
support it.
menu This is normal operation when the
product is in Client mode. The product
is using most of its processor cycles
to try and find and connect to a
remote device.
There are a number of scenarios
where this might happen...
1. A Bluetooth connection is made
2. The Product has failed to initialise
correctly (perhaps
adapter has been attached whilst
switched on).
3. Incorrect
parameters selection.
4. Incorrect Wiring configuration
1. Product not connected
2. Product not configured for upgrade
© Copyright Brainboxes Limited 2004
Solution
Firmware prior to 3.0 requires that pins
7 and 8 (RTS and CTS) of the 9 pin
connector are connected to each other
(looped back). Firmware from 3.0
onwards
requirement
Reference source not found. Error!
Reference source not found. for
details on how to do this.
Reconfigure the product to Server
mode whilst attempting to configure
other options
1. No interaction with the menu is
possible when a Bluetooth connection
is present. Break the connection to
restore access to the menu.
if the power 2. Switch the power off then on again.
3. Change the communication settings
in your terminal application to match
communication those of the devices settings. If you
have forgotten or lost these settings,
then the device can be restored to its
factory settings by performing a long
reset. Check your devices wiring and
handshake configuration requirements
1. Connect your converter to a suitable
port on your PC and connect the
power.
2. Follow instructions in above sections
for preparing for upgrade
can switch off
– refer to Error!
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