Mitsubishi Electric FX5 Error 1A7DH: Scaling upper and lower limit value setting error

PLC · taken from the manufacturer’s manual, pages cited

Error code1A7DH

CH□ Scaling upper limit value and CH□ Scaling lower limit value are equal. The manual's first action is: “Reset CH□ Scaling upper limit value or CH□ scaling lower limit value such that Scaling upper limit value=Scaling lower limit value.”

Model
Mitsubishi Electric FX5
Display shows
Scaling upper and lower limit value setting error (1A7DH)
Type
Error code
Source
Manual p. 62

What 1A7DH means

Scaling upper and lower limit value setting error p. 62

Common causes

  • CH□ Scaling upper limit value and CH□ Scaling lower limit value are equal. p. 62

What to do

  1. Reset CH□ Scaling upper limit value or CH□ scaling lower limit value such that Scaling upper limit value=Scaling lower limit value. p. 62

Before you service the product, read the safety instructions in the manual p. 3.

If 1A7DH is still not resolved

  • contact service / dealer p. 3
    “It is important to follow all precautions for personal safety.”
  • contact service / dealer p. 4
    “Failure to do so may cause electric shock or damage to the product.”
Open the manual at page 62 All FX5 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 1A7DH; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Mitsubishi Electric. Found a mistake? Report an error.