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Keysight Technologies 8163A - Page 412

Keysight Technologies 8163A
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8163A/B, 8164A/B, 8166A/B User’s Guide 411
Error Messages 14
error message E10090: Peltier <a> regulation failed (b, c, d)
description During boot time, when the Peltier control was disabled it is enabled for two seconds
and the temperature moving direction is checked. If the movement delta is not
approaching the target default temperature or if the temperature has not reached the
default within the given ranges this test fails
test value a laser number
b default temperature
c temperature with disabled peltier
d temperature with enabled peltier
action Please return the unit to your local service center for repair
error message E10091: Peltier <a> regulation failed (b, c)
description Verifies whether the temperature is around the default value with the given limits
test value a laser number
b default temperature
c actual temperature
action Please return the unit to your local service center for repair

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