Stuck Key Error (Adv. Code 0)
Vacon · X4
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This fault is triggered if the drive detects a persistent key press during power-up. This can be caused by a faulty keypad button or a user inadvertently holding a key down while powering on the drive. This prevents proper initialization and operation via the keypad.
Vanlige årsaker
- Faulty keypad button mechanically stuck in a pressed position during power-up.
- Keypad membrane damage allowing continuous electrical contact between button traces.
- Debris lodged underneath a keypad button, causing persistent contact.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
1. Power down the drive. Visually inspect all keypad buttons for physical damage, foreign objects, or sticky residue.
- 2
2. Gently press and release each keypad button several times to dislodge any potential debris and verify spring-back action.
- 3
3. If supported, temporarily disconnect the keypad unit and power on the drive to determine if the keypad is the fault source.
- 4
4. If the fault clears after keypad disconnection, the keypad unit requires replacement.