Panasonic FP0H Error E42: I/O verification error

Panasonic FP0H · taken from the manufacturer’s manual, pages cited

Error codeE42

The I/O unit (expansion unit) wiring condition has changed compared to that at time of power-up. The manual's first action is: “Check the I/O unit whose wiring condition has changed with the special data registers DT90010 and DT90011. Or check the fitting state of the expansion connector.”

Model
Panasonic FP0H
Display shows
I/O verification error (E42)
Type
Error code
Source
Manual p. 205

What E42 means

I/O verification error p. 205

Common causes

  • The I/O unit (expansion unit) wiring condition has changed compared to that at time of power-up. p. 205

Safety warnings — read before you start

  • WARNINGWARNING. Incorrect operation may lead to death or serious injury. p. 2
  • CAUTIONCAUTION. Incorrect operation may lead to injury or material loss. p. 2

What to do

  1. Check the I/O unit whose wiring condition has changed with the special data registers DT90010 and DT90011. Or check the fitting state of the expansion connector. p. 205

If E42 is still not resolved

  • Contact your service dealer for assistance. p. 205
    “Check the I/O unit whose wiring condition has changed with the special data registers DT90010 and DT90011. Or check the fitting state of the expansion connector.”
Open the manual at page 205 All FP0H error codes Manual details & download

This page summarises what the manufacturer’s manual says about E42; 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 Panasonic. Found a mistake? Report an error.