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

Description

 

Solution

 

 

 

 

 

 

Data doesn’t seem to be

This is normally the result of the

Firmware prior to 3.0 requires that pins

received by the product, but

product being configured as requiring

7 and 8 (RTS and CTS) of the 9 pin

seems to be sent by it (e.g. data

RTS/CTS

handshaking, but being

connector are connected to each other

only travelling in one direction)

plugged into a device which does not

(looped back). Firmware from 3.0

 

support it.

 

onwards

can switch

off

this

 

 

 

requirement – refer to Error!

 

 

 

Reference source not found. Error!

 

 

 

Reference source not found. for

 

 

 

details on how to do this.

 

 

Interaction with the menu

This is normal operation when the

Reconfigure the product to Server

appears slow and unresponsive,

product is in Client mode. The product

mode whilst attempting to configure

but data does show eventually.

is using most of its processor cycles

other options

 

 

 

to try and find and connect to a

 

 

 

 

 

remote device.

 

 

 

 

Cannot interact with the menu

There are a number of scenarios

1. No interaction with the menu is

 

where this might happen…

possible when a Bluetooth connection

 

1. A Bluetooth connection is made

is present. Break the connection to

 

2. The Product has failed to initialise

restore access to the menu.

 

 

 

correctly (perhaps if the power

2. Switch the power off then on again.

 

adapter has been attached whilst

3. Change the communication settings

 

switched on).

in your terminal application to match

 

3. Incorrect

communication

those of the devices settings. If you

 

parameters selection.

have forgotten or lost these settings,

 

4. Incorrect Wiring configuration

then the device can be restored to its

 

 

 

factory settings by performing a long

 

 

 

reset. Check your devices wiring and

 

 

 

handshake configuration requirements

 

 

 

Firmware upgrade (DFU Wizard)

1. Product not connected

1. Connect your converter to a suitable

fails

2. Product not configured for upgrade

port on your PC and connect the

 

 

 

power.

 

 

 

 

 

 

2. Follow instructions in above sections

 

 

 

for preparing for upgrade

 

 

Manual for BL-521 5_3.doc

© Copyright Brainboxes Limited 2004

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Brainboxes RS232 manual Troubleshooting, Reference source not found. Error, Reference source not found. for