Series 2280 Precision DC Power Supply Reference Manual  Section 8: Troubleshooting guide 
077085503 / March 2019  8-7 
 
Invalid program data separator 
Not permitted with cal locked 
Calibration password is incorrect 
Bad sequence of calibration commands 
Busy on current step, wait until this step is completed 
Not permitted with cal unlocked 
Step1 V-DAC zero DMM reading out of range 
Step1 V-ADC zero collected data error 
Step2 V-DAC full scale DMM reading out of range 
Step2 V-ADC full scale collected data error 
Step3 I-ADC 100mA zero DMM reading out of range 
Step3 100mA shunt value out of range 
Step3 I-ADC 100mA zero collected data error 
Step3 I-ADC 10mA zero collected data error 
Step4 I-ADC 100mA full scale DMM reading out of range 
Step4 100mA shunt value out of range 
Step4 I-ADC 100mA full scale collected data error 
Step5 I-ADC 10A zero DMM reading out of range 
Step5 10A shunt value out of range