ValueJet 1304 Service manual
AP-74109 Rev 1.1 9-30
9.3 Troubleshooting Without Error Messages
This section describes the symptoms of errors without an error message as well as the check items and
recovery actions.
9.3.1 Initial Operation Problems
Table 9-7 Symptoms, Check Items and Actions for Initial Operation Problems
No. Symptom Check item Action Reference
1 Machine power
cannot be turned ON
1. Is operation panel
unit assembly cable
broken or shorted?
Replace panel cable. "4.2.2
Removing
Operation
Panel Unit"
p.4-9
2. Panel unit assembly
may be damaged.
Replace panel unit
assembly.
"4.2.2
Removing
Operation
Panel Unit"
p.4-9
3. Inlet assembly may
be defective.
Replace inlet assembly. "4.3.8
Replacing
Inlet
Assembly"
p.4-41
4. Power board
assembly may be
defective.
Replace power board
assembly.
"4.3.6
Replacing
Power Board
Assembly"
p.4-35