ESIE05-03 TroubleshootingPart 3 – Troubleshooting 3–23334511.3.11 Swing flap does not operateApplicable Models FUQ, FHQ, FAQ100Method ofMalfunctionDetectionUtilizes ON/OFF of the limit switch when the motor turns.MalfunctionDecisionConditionsWhen ON/OFF of the micro switch for positioning cannot be reversed even through the swing flapmotor for a specified amount of time (about 30 seconds).Remark Some functions can force the swing flap into a fixed position, altough swing mode is selected on theremote controller. This is not an unit error, but a control function to prevent draft to the customer.Before starting the troubleshooting, make sure the swing flap is not forced into such a fixed position.(e.g. Hot start, defrost operation, thermostat OFF in heating operation or freeze prevention in coolingoperation. For details see "Fan and Flap Operations" on page 2-34 )Possible Causes P Faulty swing motorP Faulty micro switchP Faulty connector connectionP Faulty indoor unit PC board