Encoder fault

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A problem has been detected in the encoder signals, which are crucial for speed and position control. Subcodes in T.14 provide specifics like missing channels A (S1) or B (S2), both channels missing (S3), reversed encoder (S4), missing encoder board (S5), serial communication fault (S6), channel A/B mismatch (S7), resolver/motor pole pair mismatch (S8), or missed start angle (S9). This can lead to loss of accurate motor control.

• Encoder signal lost or corrupted.
• Encoder power supply fault (e.g., 24VDC).
• Incorrect encoder type or wiring.
• Mechanical damage to the encoder or its cable.
• Encoder resolution mismatch (P1-20).

Klikk på steg for å spore fremgangen.

1. 1

   Check the physical connections of the encoder channels (A, B, Z) to the frequency converter's encoder input terminals for looseness or damage.

2. 2

   Verify the correct installation and functionality of the encoder option board within the frequency converter.

3. 3

   Ensure the encoder wiring shield is properly grounded to prevent electrical noise and signal interference.