T200 User's Manual SECTION 10: TROUBLE-SHOOTING GUIDE
PAGE 10-14
10.4.9 Fault Type: F9 (Internal DC/DC Fault) on 7-segment Display
The F9 fault is displayed when a internal analogue power supplies are below acceptable voltage levels. The T200
disabled itself immediately when the fault occurred.
Table 10: Causes of F9 on 7-segment Display
Cause Check/[Correction]
Internal DC/DC Error
The internal DC/DC which generates ±15V supplies has malfunctioned.
[This error should never occur. Return the T200 unit to the factory or sales outlet
immediately for analysis, and a report on the cause of the problem.]
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