Error Messages Tuna ble Lase r Sources
398 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition
error message Main Piezo Amp. Selftest Failed (error value)
description Verifies if the piezo amplifier reaches the upper and lower limit. An error may
indicate a defect amplifier transistor
error value 23091 piezo amplifier could not set to maximum voltage
23092 piezo amplifier could not set to minimum voltage
action Please return the unit to your local service center for repair
error message Main Cavity Motor Selftest Failed (error value)
description Verifies the functionality of the cavity motor
error value 23081 indicates an open motor connector
23082 indicates that a motor coil is defect
23083 indicates a short in a motor coil
action Please return the unit to your local service center for repair
error message TCFS DC Selftest Failed (error value)
description Tests all fixed DC voltages available at the TCFS board mux
error value 25011 +10V measurement voltage on TCFS board not in limits
25012 -10V measurement voltage on TCFS board not in limits
25013 +5V reference voltage on TCFS board not in limits
25014 -5V reference voltage on TCFS board not in limits
25015 +2.5V reference voltage on TCFS board not in limits
25016 +5V attenuator encoder voltage on TCFS board not in limits
25017 +2.5V attenuator encoder voltage on TCFS board not in limits
action Please return the unit to your local service center for repair
error message TCFS Temperature Selftest Failed (error value)
description Verifies whether the TCFS temperature sensors are working correctly
error value 25021 TCFS board temperature sensor U620 above limit
25022 TCFS case temperature sensor possibly not connected
action Please return the unit to your local service center for repair
error message TCFS Amp. Offset Selftest Failed (error value)
description Checks whether an applied offset for channel A, B and M is measured within
limits
error value 25031 TCFS Chan A offset not in limits
25032 TCFS Chan B offset not in limits
25034 TCFS Chan M offset not in limits
action Please return the unit to your local service center for repair
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