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12 Chromalox 8003 User's Manual
Error Messages
Overrange or Underrange Indications
The instrument shows the OVERRANGE conditions
with the following indication on the upper display:
The instrument shows the UNDERRANGE conditions
with the following indication on the upper display:
Burn-out conditions are shown as well as overrange
condition.
For TC input it is possible to specify optional underrange
indication when ordering the controller. Contact the
factory for information.
Note: When an overrange condition is detected, the
instrument forces the control output to the minimum
possible value.
When an underrange condition is detected, the
instrument forces the control output to the maximum
possible value.
8003 Manual 4/27/06, 2:24 PM12