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Lead Contents

Rise/Fall of Temperature

FAQ No. FAQ02700

Primary Contents

Question

Why doesn't the temperature of E5[]N Basic-type Digital Temperature Controllers rise or fall?

Answer

The load is not connected to the correct control output terminals.

Wires are not connected to the correct terminals or load polarity.

There is insufficient contact with the terminals because the terminal screws are loose.

The load power supply is OFF.

The heater has burnt out or deteriorated.

The heat capacity of the heater is insufficient for the load.

The overheating prevention device is not operating.

The reverse/forward operation setting in the Initial Setting Level is incorrect.

The PID constants are not suitable.

The RUN/STOP mode in the Operating Level is set to STOP.

Applicable models: E5CN, E5GN, E5EN, and E5AN