Troubleshooting - ITW SIMCO-ION IQ EASY MODULAR SENSOR Installation And Operating Instructions Manual

7. TROUBLESHOOTING

Signal
LEDs on sensor
No supply voltage
do not light
Yellow LED on Sensor is in
sensor is lit "Warning"
Red LED on Sensor is in
sensor is lit "Alarm"
Red LED on Internal fault /
sensor Is communication
blinking problem
Repeat Sensor
Red and Yellow
Number at same
LEDs flashing
Control Station
together
Address
IQ EASY MODULAR SENSOR
Problem
Control Station is off
Wiring problem
Web voltage above Warning
threshold
Web voltage above Alarm
threshold
Various
Repeat Sensor Number at
same Control Station Address
Cause
• Apply power to Control Station & turn on
• Replace cable with known good cable
• Change connection at the Control Station
• Correct problem causing unacceptable web voltage
• Adjust Warning Setpoint to eliminate nuisance
warning
• Correct problem causing unacceptable web voltage
• Adjust Alarm Setpoint to eliminate nuisance warning
• Cycle power to sensor to see if fault clears
• Change connection at the Control Station
• If fault does not clear, return sensor to factory for
repair
• Move one of the repeat sensors to a different control
station address
26
Solution
5201337 REV A