Fujitsu General 410A Error 44: Human Sensor error

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

Error code44

Human sensor error code 44 indicates a fault in the human sensor or its connection. The manual's first action is: “Check erroneous connection.”

Model
Fujitsu General 410A
Display shows
Human Sensor error (44)
Type
Error code
Source
Manual p. 4

What 44 means

Human Sensor error p. 4

Common causes

  • -Check if connector is loose or removed. p. 4
  • -Check if sensor cable is open. p. 4
  • With conduction: Main PCB Failure p. 4
  • Without conduction: Sensor failure p. 4
  • 5v: Sensor failure p. 4

What to do

  1. Check erroneous connection. p. 4
  2. Disconnect the sensor and check the 4-5 pin on sensor connector. p. 4
  3. Voltage Check p. 4
  4. Disconnect the sensor and check the voltage on 1 pin of the CN67 on the Main PCB. p. 4
  5. Other than 5v: Main PCB Failure p. 4

If 44 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.

This page summarises what the manufacturer’s manual says about 44; 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.