Section 4 Diagnostics; Fault Indication - Omega C9000A SERIES User Manual

SECTION 4 DIAGNOSTICS

4.1FAULT INDICATION

Depending on the selection made at Functions .20 and .21, the
SP1 and SP2 outputs are turned ON or OFF if sensor is open. The
main temperature display, on a fault indication, is replaced by "EE"
flashing, followed by a digit. This indicates that an error has been
detected in the system. Action should be taken as follows:
ERROR APPLICATION
CODE PROBLEMS
EE1 Sensor burnout
EE2 RTD/Pt 100 short Check sensor
EE3 LBA Loop break
Autotune AT/PT tuning cycle problems
Autotune run aborted: Previous values retained
EE5 Outside time limit
EE6 Overshoot exceeds limit
EE7 Unable to run Autotune,
SP1 in ON/OFF mode
Software problems
EE8 Calibration data
error
EE9 System error
H Unit in
Manual Mode
ACTION
Check sensor
Check control
loop
Replace CN9000A See next page
if it persists
Replace CN9000A See next page
if it persists
If Manual Mode
not desired,
check Function .0
RESET
Self clearing
Self clearing
Latches: Reset
Latches: Reset
Latches: Reset
Latches: Reset
Reset to 0.0
for normal
operation
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