Powermeters & Interface Modules with Optical Head Error Messages
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition 405
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
error message E1x050: TEC NTC temp ou of limits (a, b, c, d)
description The sensor temperature is out of the acceptable limits
test value a shows the sensor NTC temperature
b shows the sensor NTC temperature ADC reading
c shows the lower limit
d shows the upper limit
x refers to the module channel tested
action Verify whether the module is operated within the specified ambi-
ent temperature. If the failure persists, please return the unit to
your local service center for repair.
error message E1x051: TEC current out of limits (a, b, c)
description Verifies whether the TEC current is within a given range
test value a shows the ADC reading of the TEC current
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
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