EasyManuals Logo

Daikin RXS25K3V1B User Manual

Daikin RXS25K3V1B
144 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #82 background imageLoading...
Page #82 background image
Troubleshooting SiBE05-722EE
72 Service Diagnosis
4.7 Low-voltage Detection or Over-voltage Detection
Error Code
U2
Method of Error
Detection
Low-voltage detection:
An abnormal voltage drop is detected by the DC voltage detection circuit.
Over-voltage detection:
An abnormal voltage rise is detected by the over-voltage detection circuit.
Error Decision
Conditions
Low-voltage detection:
The voltage detected by the DC voltage detection circuit is below 180 V.
The compressor stops if the error occurs, and restarts automatically after 3-minute standby.
Over-voltage detection:
An over-voltage signal is fed from the over-voltage detection circuit to the microcomputer.
The compressor stops if the error occurs, and restarts automatically after 3-minute standby.
Supposed
Causes
Power supply voltage is not as specified.
Defective DC voltage detection circuit
Defective over-voltage detection circuit
Defective PAM control part
Disconnection of compressor harness
Short circuit inside the fan motor winding
Noise
Momentary drop of voltage
Momentary power failure
Defective outdoor unit PCB

Table of Contents

Other manuals for Daikin RXS25K3V1B

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Daikin RXS25K3V1B and is the answer not in the manual?

Daikin RXS25K3V1B Specifications

General IconGeneral
BrandDaikin
ModelRXS25K3V1B
CategoryAir Conditioner
LanguageEnglish

Related product manuals