If the instrument is malfunctioning, check to see if the symptoms correspond to any of the following.
The causes and measures for items without a mark are common to RS-232C, GP-IB, USB, and LAN.
RS-232C/GP-IB is completely inoperable.
Is the cable connected properly?
Is the power of all connected devices turned ON?
Is the correct cable being used?
Are the communication conditions set properly? [RS-232C]
Is the address setting of the instrument set properly? [GP-IB]
Is the address the same as that of another device? [GP-IB]
Is the IP address the same as that of another network device? [LAN]
Has the USB driver been installed properly? [USB]
Sometimes a service request is not generated. [GP-IB]
Are the service request enable register and event status enable registers set properly?
SClear all of the event registers with the
*CLScommand at the end of the SRQ process sub-routine. If the bit of an event is not cleared once, a service request is not generated for the same event.