8163A/B, 8164A/B, 8166A/B User’s Guide 403
Error Messages 14
error message E1x052: TEC comparator test failed (a, b, c, d)
description Checks the TEC regulation voltage comparator
test value a shows the 10bit ADC reading for the high output voltage
b shows the 10bit ADC reading for the low output voltage
c shows the lower limit
d 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 E1x053: TEC default temp invalid (a)
description Verifies whether the default temperature is within a given range
test value a shows the default temperature
x refers to the module channel tested
action Please return the unit to your local service center for repair
error message E1x054: TEC control failed (a, b, c)
description When the TEC is enabled the temperature must move towards the default temperature,
coming from a previous temperature before the TEC was enabled. The moving direction
must be correct and the overshoot must be less than a certain limit
test value a shows the temperature before the TEC was enabled
b shows the actual temperature while TEC is enabled
c shows the target temperature, where b should move to
x refers to the module channel tested
action Please return the unit to your local service center for repair
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