GREE                                                          DC Inverter Multi VRF System II Service Manual 
43 
z  If “OK” button is displayed, it means user needs to judge whether to continue debugging or not. 
Click icon 
  and relevant information will be shown for your reference. Click “Close” to close the 
pop-up (For No.3 Confirm ODU Basic Module NO. and No.4 Confirm IDU NO., the current number 
of units under debugging will be displayed. See the following marked with circle. For No.8 Compr. 
Preheat Confirmation, the preheat time will be displayed. See the following marked with circle). 
 
 
z Icon 
  indicates that there is problem found during debugging. Debugging will not be completed 
unless problem is solved (after problem is solved, step without “OK” button will switch to the next 
step automatically, otherwise user needs to click “OK” to continue). Click icon 
 and relevant 
information detected in this step will be displayed for your reference in order to solve problems. 
Click “Close” to close the pop-up.