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: Adjust the NGL/NGT to 24.5 Volts or replace it with a higher-rated unit (e.g., WeidmĂĽller 156W).
The family of error codes beginning with 150X almost always points to issues with the car’s position sensing system. The elevator's internal safety monitoring is extremely sensitive to any inconsistency in car position readings, as this is critical for safe operation.
Inspect inverter IGBT modules and output wiring terminals for open circuits. Shaft Positioning & SALSIS Errors schindler 5500 error codes free
(⚠️ use only as last resort): SFT → Parameters → Load Defaults → Enter . This erases all floor learning and custom settings.
: Sometimes, manufacturers provide basic troubleshooting guides, FAQs, or manuals on their websites. You might find a general guide or contact information for support. : Adjust the NGL/NGT to 24
: Voltage was commanded to the motor windings, but no current draw or output was registered.
: Redo the CLC calibration and check for loose load cell wiring. Inspect inverter IGBT modules and output wiring terminals
Errors 703 and 705 often indicate a mechanical or drive-related problem. The motor is either drawing too much power or not moving as expected.
If you are responsible for maintaining a building with a Schindler 5500 elevator, you know the drill. The car stops. The display flashes a cryptic alphanumeric code. Panic sets in—not just from trapped passengers, but from the dread of an expensive service call for something that might be a simple reset.
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