3
Troubleshooting and Test Functions
Initialization Failed
The quaternary pump failed to initialize successfully within the maximum
time window.
A maximum time is assigned for the complete pump-initialization cycle. If the
time is exceeded before initialization is complete, the error message is
generated.
Probable Causes
• Blocked active inlet valve.
• Defective pump drive assembly.
• Defective LPM board.
Suggested Actions
80
Exchange the active inlet valve.
Exchange the pump drive assembly.
Exchange the LPM board.
1200 Series QP Reference Manual