HomeForumsDaikinFault CodesDaikin A8 Error Code This topic is empty. Viewing 1 post (of 1 total) Author Posts July 7, 2024 at 1:04 pm #1024 TheAChubKeymaster Premium Power Supply Voltage Abnormality Error Code A8 Applicable Models FXMQ-PB Method of Error Detection Detect error checking the input voltage of fan motor. Error Decision Conditions When the input voltage of fan motor is 150V or less, or 386V or more. Supposed Causes Defective power supply voltage Defective connection on signal line Defective wiring Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In