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What is meaning of display indication LLLL on REG48PUNL1RHU, is it function error? How to remove it from display.

Goals and Symptoms

What is meaning of display indication LLLL on REG48PUNL1RHU, is it function error? How to remove it from display.

Facts and Changes

ZELIO REG
LLLL
Error message

Causes and Fixes

LLLL is a message error. The reasons which can explain the display of this message are:
1. The resistance probe is broken or short- circuited.
2. The connection wire of the probe is wrong or loose.
3. The value measured on the input is < 5% to the minimum scale configurated.
4. The Voltage / current loop is broken or short-circuited.
5. The value to be displayed is < or = to -199,9.

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