Cause : Hardware mismatch comes when fitted option is not operational with the present control board hardware or software.

Record the value of the following parameters and contact the Danfoss supplier:

• 15-40 FC Type
• 15-41 Power Section
• 15-42 Voltage
• 15-43 Software Version
• 15-45 Actual Typecode String
• 15-49 SW ID Control Card
• 15-50 SW ID Power Card
• 15-60 Option Mounted 
• 15-61 Option SW Version (for each option slot)