Error Messages Powermeters & Interface Modules with Optical Head
408 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth Edition
error message E1x081: TEC current to temperature mismatch
description If the TEC temperature difference does not correspond to the
measured Peltier current this test will fail
test value 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.