What does it mean if LED 1 is single flashing on Siemens Controller?
If LED 1 on the Siemens Controller is single flashing, it indicates a phase loss. Verify that proper three-phase incoming power is present as described in the section addressing Inside Delta wiring problems.
General| Brand | Siemens |
|---|---|
| Model | SIKOSTART 3RW34 |
| Category | Controller |
| Language | English |
Defines hazard signal words and requirements for qualified personnel.
Covers manual scope, product features, and typical uses/benefits.
Explains voltage ramp design, DSP control, power poles, and snubber PCB.
Details three-phase voltage waveforms and phase relationships.
Explains power wiring configurations for wye and delta motors.
Covers wiring for wye/delta, soft start/stop, and torque/speed curves.
Details voltage/speed curves for coast-to-rest and controlled deceleration stops.
Advises on choosing controllers based on "In Line" and "Inside Delta" ratings.
Covers unpacking, storage, physical mounting, and ventilation.
Discusses safety, branch circuit protection, and controller protection.
Addresses noise suppression techniques and general practices for wiring.
Details wiring for power, motor, grounding, control, and coil suppression.
Guides on connecting power supply and motor terminals to the controller.
Connects control power and pilot devices, and performs final installation checks.
Introduces wiring diagrams and explains common circuit devices used.
Details potentiometers, DIP switch settings, and LED status/fault indicators.
Provides steps for setting up the controller and performing initial checks.
Guides on initial power-up, voltage checks, and adjusting start parameters.
Lists requirements for voltage, frequency, phase, and controller current ratings.
Details user outputs, input coil characteristics, and recommended fuse types.
Presents physical dimensions and mounting hole locations for various models.
Covers general maintenance, troubleshooting checklist, and LED fault indications.
Lists common motor issues, causes, and recommended remedies.
Details common wiring errors for inside delta configurations and their effects.
Describes methods to check for shorted SCRs and perform functional tests.
Lists test equipment and procedures for basic SCR tests (gate integrity, insulation, blocking).
Explains advanced tests for gate triggering, latching, and holding.
Lists catalog numbers for logic boards, cooling fans, and power modules.
Details optional modules, lug kits, and overload relays available.
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