Fluke 5020A - Manual (Page 117)

Digital Communications Interface
Commands
6
6-47
bit 1 is 1: channel 2 sensor is unattached, locked out, or not operating properly
2nd number: channel 1 sensor test
0: no error
bit 0 is 1: sensor unattached
bit 1 is 1: sensor memory read failure
bit 2 is 1: sensor parameter checksum error
bit 3 is 1: sensor calibration parameters out of range
bit 4 is 1: sensor calibration date is invalid
bit 5 is 1: sensor identification is invalid
bit 6 is 1: sensor version number is incompatible
bit 7 is 1: sensor is locked out
3rd number: channel 2 sensor test (see channel 1 sensor test)
4th number: sensor calibration expired
0: sensor calibration has not yet expired
bit 0 is 1: channel 1 sensor calibration has expired
bit 1 is 1: channel 2 sensor calibration has expired
5th number: clock status
0: operating properly
bit 0 is 1: time/date is invalid
bit 1 is 1: clock is not operating
6th number: serial port status
0: operating properly
bit 0 is 1: failure
7th number: IR port status
0: operating properly
bit 0 is 1: failure
8th number: data card socket status
0: operating properly
bit 0 is 1: no data card is inserted
bit 1 is 1: an invalid or improperly formatted data card is inserted
bit 4 is 1: controller read error
bit 5 is 1: controller write error
bit 6 is 1: invalid controller
9th number: battery monitor test
0: no error
bit 15 is 1: error