3-167
3.3 Trouble Shooting
3
Connect harness correctly,
repair or replace it.
Yes
Solved
Is the harness between the cartridge opening
motor (M720) and PDB8 on the PDB23
circuit board is poorly connected or broken?
Replace the cartridge opening
motor (M720).
Solved?
1. Install new replenisher cartridge.
2. Close replenisher cartridge box door.
• Cartridge opened and diluting starts.
No
Not solved
Replace the PDB23 circuit board.