A20733 B0 95
Troubleshooting
2 Preliminary checks
All the searches for defective items in the sections below must be preceded by preliminary checks.
These checks allow problems such as dirty parts, ink leaks, faultyelectric or hydraulic connections
to be detected with the naked eye.
Stop the printer and disconnect it from the mains, then check the items below:
Check Type of problem
External
appearance
Console and operator
interface
Dents or cuts
Print head Dirty electrodes
Damaged or incorrectly adjusted mechanical parts
Connection of accessories Disconnection
Cuts
Appearance of
ink circuit
Tanks Tanks open or damaged
Leaks
Ink or additive tanks empty
Appearance of ink (odor, consistency)
Appearance of additive (odor, color)
Hydraulic pipes and
connections
Leak
Pipes bent, damaged or cut
Electrical connections Faulty connections:
- ink circuit loom
- ink level detector (upper part of ink tank)
-fan
-viscometer
-electrovalves
Electronic
compartment
Boards present in electronic
compartment
Board missing
Connections in electronic
compartment
Faulty connections:
- on "Front panel" board
- on "Motor control" board
- on power supply board
- on main board
Industrial
interface
compartment
Electrical connections
accessible from rear panel
Faulty connections
- conduit ribbon cable
- EHT block to corresponding cables to conduit
- industrial interface ribbon cable
- terminal blocks on industrial interface board
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