Figure 6. Led Sequence Indicator And Operation Summary - Honeywell EC-FX-NH3 Instruction And Installation Manual

Figure 6. LED Sequence Indicator and Operation Summary

Mode
Normal Run
Mode
During Span
Calibration
Mode
During Simple
Zero Test
Manual
SensorCheck TM
Weak Sensor
Failed or
Disconnected
Sensor
Hardware
failure
During 4/20 mA
Loop Test
(22 mA high)
Failed Loop
Test (22 mA
high)
During 4/20 mA
LoopTest
(0.5 mA low)
Failed Signal
Output
NOTES:
1. SensorCheck™ automatically every 24 hours. Manual test can be initiated.
2. Unit will output 0.5 mA.
3. Exits mode after 10 minutes or if pushbutton is pressed for one second.
4. Occurs due to wiring problem or incorrect load value.
= Initiated by button press.
Green LED (Left) Red LED (Center)
OPERATOR MANUAL
Yellow LED (Right) Note
3
1
2
2
4
19