Haier HSU-07HV03/R2 Service Manual page 65

4.5 Executive function after 2 seconds by remoter control:
After receiving remote control signal, the mainboard doesn't enter the
corresponding instruction task until 2 seconds elapse.
The memory function of power down is available, and the auto recovery function of
power on is optional. (In auto, heating, cooling, or defrosting status, press the "sleeping"
button 10 times within 5 seconds, and the auto recovery function of power on can be set
on/off. If the buzzer rings 4 times, the auto recovery function of power on is available; If
the buzzer rings 2 times, the auto recovery function of power on is unavailable.)
4.6 Alarm from indoor fan motor: 120 seconds later after the indoor fan motor is charged, and
the impulse from fan motor is not detected, then stop outputting voltage to indoor fan motor, send
alarm signals.
4. 7 Manual defrosting: when the wire controller is on, choose high wind, 30¡æ, and press the
sleeping button for 6 times within 5 seconds, and after the buzzer rings 3 times,
the air conditioner enter manual defrosting mode, which is the same as heating
defrosting.
5.express mode of malfunction:
Air Conditioner
The prevention of freezing of evaporator doesn't work.
Over current control doesn't work.
The control of current peak expiration doesn't work.
Temperature control doesn't work.
Temperature expiration control doesn't work.
The test run is over after 30 minutes,then the unit turn off
Edition:2006/1/10