GV 640 Service Manual 93
9.6 Error codes
9.6.1 Customer settings
• Calling special programs which may be present:
• P0 - Error memory
• P1 - Customer service program
• P2 - Not relevant for customer
• P3 - Not relevant for customer
• P4 - Not relevant for customer
• P5 - Not relevant for customer
• P6 - Not relevant for customer
• P7 - Sales room program
• Reading the error memory
• The customer service program
• The demonstration program (sales room program)
• The error code chart