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Building Technologies  Basic documentation LMV37.4...  CC1P7546en 
HVAC Products  28 Error code list  01.12.2009 
 
Error 
code 
Diagnostic code  Meaning for LMV37.4... system  Recommended  measures 
202  #  Internal error operating mode selection 
Redefine the operating mode (parameter 201) 
203 #  Internal error 
Redefine the operating mode (parameter 201). 
Make a reset; if error occurs repeatedly, replace the unit 
204  Phase number  Program stop 
Program stop is active (no error) 
205 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit 
206 
0  
Inadmissible combination of units  
(basic unit - AZL2...) 
 
207  #  Version compatibility basic unit - AZL2... 
 
  0  Basic unit version too old   
  1  AZL2... version too old   
208 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit 
209 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit 
210 
0 
Selected operation mode is not released for the basic 
unit 
Select a released operation mode for the basic unit 
240 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit 
245 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit 
250 #  Internal error 
Make a reset; if error occurs repeatedly, replace the unit