Check interlock operates when lid
closed - Replace
Check sensor magnet in handle is
present & clean.
Check hall effect sensor -Replace.
Check foot sensor- Replace.
Arm alignment not
correct.
Check hinge block fasteners are secure
– Tighten.
Check hinge arm bushes for wear –
Replace.
Check arm fasteners are secure –
Tighten.
Check the lid seal for compression when
lid is closed – Replace seal.
Check seal face is free from debris –
Clean.
Interlock pin not
disengaging
Interlock solenoid jammed – Replace.
Check interlock pin movement is free –
Adjust.
Check foot sensors function – replace.
Check output from PCB to solenoid –
Replace PCB.
Remove hydraulic damper - Replace
Non-return valve is not
operating correctly.
Check operation of non-return valve in
vent connector for sealing – Replace.
Check service drain - slow drains can
cause a vacuum in the hopper.