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THERMISTOR FAULT
Otis · DSD 412 Elevator System
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The thermistor is found to be open or shorted. This fault can also occur if the machine room ambient temperature is below 0°C (as the resistance detected is too high) or if an open thermostat is present on larger drives. This fault will not shut down the drive.
Häufige Ursachen
- Open or shorted thermistor.
- Ambient temperature below 0°C.
- Open thermostat (on larger drives).
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Check and/or replace the thermistor; it should measure approximately 200K ohms at 20°C room temperature.
- 2
Verify the machine room ambient temperature is above 0°C.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
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Quelle: Otis DSD 412 Elevator System