Troubleshooting by Indication on the Remote Controller
SiUS30-1301
164
Service Diagnosis
3.5
Swing Flap Motor (M1S) Abnormality
Error Code
A7
Applicable
Models
FXHQ
Method of Error
Detection
Utilizes ON/OFF of the limit switch when the motor turns.
Error Decision
Conditions
When ON/OFF of the micro-switch for positioning cannot be reversed even though the swing flap
motor is energized for a specified amount of time (about 30 seconds).
Error code is displayed but the system operates continuously.
Supposed
Causes
Defective swing motor
Defective connection cable (power supply and limit switch)
Defective airflow direction adjusting flap-cam
Defective indoor unit PCB