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5 Troubleshooting Guide
Below are some frequently asked questions and answers. Please check if any apply to your
instrument before contacting B&K Precision.
General
Q: I cannot power up the instrument.
Check that the power cord is securely connected to the AC input and there is live power from
your electrical AC outlet.
Verify that the AC power coming from the mains have the correct voltage. The load can accept
a specific range of AC input voltages. Refer to section “2.1”.
Q: I cannot set power (in CW) or current (in CC) at the maximum rating.
4. Check the power and current Limits from the Protect menu within the CONFIG menu.
Refer to section 3.4 for details.
Remote Control
Q: I am trying to send the commands over USB/RS232, but it does not seem to respond.
Check that you are sending ASCII strings that are terminated with a CR (carriage return) and LF
(line feed) character.
For RS-232, check that the baud rate, parity, data bits, stop bit, and flow control settings match
with the settings configured on the software interface. To check these settings, go to the
SYSTEM menu and enter the Communication menu, and select RS-232.
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