T200 User's Manual SECTION 10: TROUBLE-SHOOTING GUIDE
PAGE 10-8
10.4 'F' Symbol Followed by Number on Seven-Segment Display (Faults)
The following section deals with fatal T200 faults. These are fault conditions, which cause the T200 to immediately
remove high power from its power amplifier. If the fault condition has not been removed, then the T200 cannot generate
torque in the motor.
10.4.1 Fault Type: F1 (Phase Overcurrent) on 7-segment Display
The F1 fault is displayed when a motor phase over-current has occurred. The T200 disabled itself immediately when the
fault occurred.
Table 6: Causes of F1 on 7-segment Display
Cause Check/[Correction]
Short Circuit on
Motor Phase
There is a short circuit from one of the motor phases (U, V, W on TB8) to one of the other
phases, to the DC-Bus terminals (DC+ and DC- on TB3) or to Protective Earth.
[Check the wiring and remove the short circuit]
Incorrect Motor
Configured in
Software
An incorrect motor has been configured, and motor over-current occurs, especially during
a high deceleration movement of the motor. [Check the motor nameplate and configure
the correct motor in the T200 per Section 4.2 of this manual. If the motor is a non-Moog
motor then check that all of the motor parameters have been entered in the WinDrive
dialog box (see Section 7.10.1.2 or Section 8.2.3)]
Incorrect Current
Loop Gain
The current loop gain is not sufficient for adequate control of phase currents, if the motor
is a non-Moog motor. [Check the motor parameters (Section 7.10.1.2), and fax or email
these to Moog Applications Engineering for calculation of current loop gain for the non-
Moog motor.]
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