Troubleshooting - Accurist W3300 Series Operating Manual

The instruction to connect the balance to external device is as follows
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PIN DESCRIPTION
2：TXD---- scale transmits data
3：RXD---- scale receives data
5：GRD---- signal ground
Notice:
o "handshake" signals, such as "clear to send" (CTS) are not used. The
peripheral must have a minimum buffer (15 characters).
o It is suggested that the maximum recommended cable length is 15
meters; the load impedance of the device connected should be
between 3000 and 7000 ohms with no more than 2500 pf shunt
capacitance.
TROUBLE SHOOTING
Problem Possible Cause
·No power
No Display
·AC/DC Power Adapter not
·Unsuitable environment
Displayed
·
weight
value is
·There is an object under the
unstable
2 3 4 5
6 7 8 9
RS232 pins
functioning, or incorrect
specifications
Draft shield door is not
closed properly
weigh pan
Solution
·Plug in the AC/DC adapter
·Replace the adapter
·Contact the Service
Department
·Install the balance in a
suitable location, avoid
vibration, air movement,
temperature
fluctuations
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