Subject to Export Control, see Cover Page for details. 3-3
3-2. TROUBLESHOOTING
Troubleshooting is divided into a Symptom Index and a Troubleshooting Table.
The Troubleshooting Table lists the common malfunctions which may occur during operation of the
3500 / 3500A. Perform the tests/inspections and corrective actions in the order listed.
NOTE
This manual cannot list all the malfunctions that may occur, nor all the tests
or inspections and corrective actions.
If a malfunction is not listed or is not corrected by the listed corrective
actions, route the 3500 / 3500A to an authorized Maintenance Facility for
repair.
SYMPTOM DESCRIPTION PAGE
1 External DC Power Supply failure 3-4
2 POWER Indicator does not illuminate 3-4
3 CHARGE Indicator does not illuminate 3-5
4 FAULT Indicator is Red 3-5
5 FAULT Indicator is Yellow 3-5
6 Blows Fuse 3-6
7 Battery does not charge 3-6
8 Display is blank or abnormality exists in Display 3-6
9 Display Contrast or Backlight cannot be adjusted 3-6
10 Keys inoperable 3-6
11 Self Test failure 3-6
12 Connector failure 3-6
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