8163A/B, 8164A/B, 8166A/B User’s Guide 401
Error Messages 14
error message E1x021: Invalid head caldata
description The head calibration data was detected as invalid
test value x refers to the module channel tested
action Please return the unit to your local service center for repair
error message E1x031: 0.25V ref out of limits (a, b, c)
description The 0.25V reference voltage measured through the 16bit ADC is out of the acceptable
limits
test value a shows the ADC reading (0.25 = 3276)
b shows the lower limit
c shows the upper limit
x refers to the module channel tested
action Please return the unit to your local service center for repair
error message E10040: 10bit ADC test failed (a, b, c)
description The 10bit ADC has returned a value other than 512
test value a shows the ADC reading
b shows the lower limit
c shows the upper limit
action Please return the unit to your local service center for repair