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Building Technologies Division  Basic Documentation LME7...  CC1P7105en 
Infrastructure & Cities Sector  24 Error code list with operation via external AZL2... display  29.11.2011 
 
  PWM (P675.00) after reaching the prepurge speed, 
  or 
- After reaching the ignition load speed, the  
  maximum ignition load PWM (P675.01) was  
  exceeded 
Loc: 226  PWM fan faulty 
Parameterization error: 
- Speed low-fire > speed high-fire, or 
- Low-fire = 0 rpm, or 
- Maximum speed = 0 rpm 
Loc: 227  PWM fan faulty 
One or several parameters violate the 
minimum/maximum limit 
     
rSt Er1 
Error in compatibility program module to basic 
unit during restore process 
- Program sequence of program module does not  
  match the basic unit 
rSt Er2 
Error in compatibility program module to basic 
unit during restore process 
- Hardware of basic unit does not match the  
  program module 
rSt Er3  Error during restore process 
- Program module faulty 
- Program module removed during restore  
  process