Appendices
Fault Codes A
A-15
2650 Could not Cal 100 M Ω (Meas 2)
2651 Invalid Security Passcode
2652 Passcode Be 1 to 8 Digits
2700-Level Faults: Self Diagnostics (Current)
2700 A7: 8255 Control Word
2701 A7: 8255 Port A Fault
2702 A7: 8255 Port B Fault
2703 A7: 8255 Port C Fault
2705 A7: Oven Regulation Fault
2706 A7: Current Compliance Fault
2707 A7: Hardware Initialization Fault
2709 A7: Current Magnitude Fault
2710 A7: Dummy Load Current Fault
2711 Assembly A7 Is Not Responding
2712 A7: Hi-Res Clock Fault
2713 A7: Hi-Res Loop Fault In 100HZ Range
2714 A7: Hi-Res Loop Fault In 1KHZ Range
2715 A7: Hi-Res Loop Fault In 10KHZ Range
2716 A7: Hi-Res Loop Fault In 100KHZ Range
2717 A7: Hi-Res Loop Fault In 1MHZ Range
2718 Fault In Setting Up AC For Diagnostics
2719 A7: 8255 Was Reset
2800-Level Faults: Self Diagnostics (DAC)
2800 A11: 8255 Control Word
2801 A11: 8255 Port A Wires
2802 A11: 8255 Port B Data Bus
2803 A11: 82C54 Status Words
2804 A11: DAC Heaters Not Regulated
2805 Calibrator Not Warmed Up
2806 A11: ADC Amp Output Noise
2807 A11: ADC Amp Output Offset
2808 A11: ADC Amp Gain Error
2809 A11: DAC Monitoring Fault