Fujitsu General 410A Error 1d: 2-way valve sensor error

Fujitsu General 410A · taken from the manufacturer’s manual, pages cited

Error code1d

The system detected an error in the 2-way valve temperature sensor. The manual's first action is: “3 flashes”

Model
Fujitsu General 410A
Display shows
2-way valve sensor error (1d)
Type
Error code
Source
Manual p. 24

What 1d means

2-way valve sensor error p. 27

Common causes

  • 2-way valve temperature thermistor error p. 27

What to do

  1. 3 flashes p. 27

If 1d is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Fujitsu General service.

Open the manual at page 24 All 410A error codes Manual details & download

This page summarises what the manufacturer’s manual says about 1d; 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 Fujitsu General. Found a mistake? Report an error.