Error Messages Return Loss Meters
388 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
error message E1x031: 0.25 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 (0.25V = 3276)
b shows the lower limit
c shows the upper limit
x refers to the internal PM 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
error message E10051: Laser <a> temp out of limits (b)
description The laser temperature is outside the allowed range
test value a laser number
b measured laser temperature
action Verify whether the module is operated within the specified ambient
temperature. If the failure persists, please return the unit to your lo-
cal service center for repair
error message E10052: Photodiode <a> temp out of limits (b)
description The photodiode temperature is outside the allowed range
test value a photodiode number
b measured photodiode temperature
action Verify whether the module is operated within the specified ambient
temperature. If the failure persists, please return the unit to your lo-
cal service center for repair
error message E1x060: 0.25V offset failed (a, b)
description Verifies that the offset voltage for the 16-bit ADC (250 mV) is cor-
rectly added to the input signal
test value a shows the ADC reading
b shows the maximum difference to the exact ADC reading
of 3277
x refers to the internal PM channel tested
action Please return the unit to your local service center for repair
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