Omron E5AR-T User Manual page 362

Possible cause
The input terminals for thermocouple input are
short-circuited.
A temperature sensor was replaced or a switch
setting was changed while the power was ON.
Supplement
Simple Method for Checking Input
Platinum Resistance Thermometer:
1) Connect a 100
2) If the measured temperature is approximately 0.0°C or 32.0°F, the E5AR-T/ER-T is operating nor-
mally.
Thermocouple:
1) Short-circuit the input terminals of the temperature sensor.
2) If the temperature close to the terminal plate is measured, the E5AR-T/ER-T is operating normally.
Analog Input:
Use a reference voltage/current generator (e.g., an STV) to supply the specified current or voltage and
check the measurement.
10.3 Inferring Causes from Conditions: Abnormal Measured Val-
resistor between input terminals A-B and short-circuit B-B.
Solution
Connect the thermocouple.
Turn the power OFF and then ON.
10-5