22
6、Error Display 
 
If there is malfunction during running of the system, 
LCD will display error code at temperature–displayed 
location. Once many malfunctions, error codes will be 
displayed circularly. If there are multiple systems, the 
system number of failed system will be displayed before 
the colon (not for single system). 
If malfunction occurs, please turn off the unit and ask 
professionals for help. 
As shown in Fig.6.1, it means high pressure protection of 
system 2 under unit on.       
   
Note:  
Only Big Wind Pipe series have multiple units. 
Multi-system is only for air cooled packaged unit   
Fig.6.1 
Fig. 5.1