Omron E5CSV - Burnout;Short-Circuit Display and Causes

Burnout/Short-circuit Display and Causes
A-7
Appendices
Burnout/Short-circuit Display and Causes
The display window shows the error details if an input sensor burnout or short-circuit occurs.
The error display and control output operation for burnouts and short-circuits is explained below
for each input type.
● Thermocouple
Status Display Control output
Burnout
fff flashing OFF
• The room temperature is displayed if an input short-circuit occurs.
● Platinum Resistance Thermometer
Status Display Control output
Models with
Terminal
Blocks
Plug-in Models
fff flashing OFF
--- flashing OFF
Burnout
2 or 3 wires disconnected fff flashing OFF
Short-
circuit
--- flashing OFF
• The resistance value for platinum resistance thermometers is 100 Ω at 0°C and 140 Ω at
100°C.
● Thermistor
Status Display Control output
Burnout
--- *
ON during heating
control (reverse
operation)
OFF during cooling
control (direct operation)
Short-
circuit
fff*
OFF during heating
control (reverse
operation)
ON during cooling control
(direct operation)
* The display does not flash.
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