GE DS200SSBAG1BAA Embedded controller

Check for at least 1 Vrms at terminals 25 and 26 and at least 5% of the minimum rated speed frequency range. Check wiring for proper connection. Check shields for proper installation. Check the A**DISPLAY ANALOG INFO** Menu for Turbine Speed reading. Speed sensor not spaced properly— check for at least 1.0 Vac at terminals 25 and 26 during cranking. If less that 1.0 Vac, magnetic pickup may be spaced too far from gear. Make sure there are no metal chips on end of pickup.

Dynamics adjustment. 

Dynamics may be adjusted for sluggish operation, causing overspeed on start. Adjust GAIN for fastest stable response. RESET may be adjusted too low. Increase RESET setting Check for proper operation of prime mover steam system. If actuator moves toward minimum steam during overspeed, problem is in steam system. Magnetic pickup and 2301D-ST control. Check the magnetic pickup output voltage at speeds above idle—at least 1.0 Vrms. If magnetic pickup should fail and the override failed speed signal circuit is disabled, the 2301D-ST will call for maximum steam.

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