Fujitsu General 410A Error 1b: Outdoor unit fan error

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

Error code1b

Outdoor unit fan error detected due to abnormal current value or motor not locked. The manual's first action is: “-Check DC 15V between black & white wire. Voltage not present. -Controller PCB defective.”

Model
Fujitsu General 410A
Display shows
Outdoor unit fan error (1b)
Type
Error code
Source
Manual p. 24

What 1b means

Outdoor unit fan error p. 25

Common causes

  • Compressor fan motor error - Abnormal current value detected. Fan motor is not locked. p. 25
  • Outdoor fan motor error p. 25

What to do

  1. -Check DC 15V between black & white wire. Voltage not present. -Controller PCB defective. p. 25
  2. 5 flashes p. 25

If 1b 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 1b; 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.