Outline of Control (Indoor Unit)
6.1.3 When the Float Switch is Tripped During Heating Operation:
During heating operation, if the float switch is not reset even after the 5 minutes operation, 5
seconds stop, 5 minutes operation cycle ends, operation continues until the switch is reset.
6.1.4 When the Float Switch is Tripped and "AF" is Displayed on the
If the float switch is tripped five times in succession, a drain malfunction is determined to have
occurred. "AF" is then displayed as operation continues.