Troubleshooting
SECTION 06 Troubleshooting
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■ Maintenance procedures
Solenoid valve test.
The “Test solenoid valves” function makes it possible not only to know (by listening) whether a
solenoid valve responds to a command signal, but also to release a stuck solenoid valve by
actuating it several times.
WARNING:
Ink or additive may splash out during the procedure. Take
precautions, and wear gloves and safety glasses.
All the ink circuit and head solenoid valves are accessible via this function and can be
individually controlled.
WARNING:
Some combinations are prohibited. Example: U3 and U1 open at the
same time.
COMMENT:
The single control (U9) actuating solenoid valves 5 and 6 in turn is no
longer available.
COMMENT:
On a valve-controlled ink circuit, solenoid valves 5 and 6 are replaced
by valves. Controls U5 and U6 therefore do not function (no
clicking).
