receives wrong EEPROM signals from the outdoor unit. 
. In this case the control and emergency operation are not allowed. 
. Power-off to disarm. 
14 .Trouble Records 
. There are no lists if there are no error code records. 
. The malfunction display will automatically disappear after 10 seconds.   
The  remote control accepts stop signal only. The malfunction record may end 
according to the ON/OFF or remote-control’s stop signal 
. Models with EEPROM can store the records when they are replugged to the 
power. 
15. Special functions 
1
、
The indoor unit operates only  
a. To enter into this function please press the sleep key 6 times with 6 beeps in 7 seconds 
under the none-power-failure-compensation mode.   
b. :The indoor unit operates as follows after entering into the function. 
The indoor unit operates and communicates according to the setting without processing the 
signals from the outdoor unit but needs to send signals to the outdoor unit without stop. 
c. To exit this function please press the OFF key of the remote-controller or the emergency key 
to power off the unit. You can also unplug the machine to exit this function. 
When the indoor unit operates independently, it imitates the outdoor unit to send the following 
signals to the indoor unit. 
Output frequency 58 Hz ,error frost removing state: 17654=0001,13=0,121=01 ,external 
temperature level K54=00, the indoor heat-exchange temperature is fixed at 47
℃
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
33
 
Model:
HSU-12HS03/R2(DB)
HSU-09HS03/R2(DB)Domestic Air Conditioner