Cardale
Directional Control or Limit Circuit Fault
Opener works only in one direction (opens but will not close, or vice versa) with no displayed code.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty directional relay or triac on Cardale PCB, Stuck limit switch in one direction, Broken wire in motor harness for one winding, Mis‑set travel limit preventing one direction
How to Fix / Troubleshooting
Safety first: Keep clear of the door while testing; unexpected movement may occur.
- Swap commands: If possible, test with both wall button and remote to rule out control input issues.
- Check limits: Verify that the door is not already at its programmed limit in the direction that will not move. Re‑set limits if necessary.
- Inspect limit switches: On models with physical switches, ensure the cams are not permanently holding one switch actuated.
- PCB or motor harness: If mechanicals are fine, the fault is likely on the PCB or in the motor wiring. Replace the Cardale control PCB or motor harness as indicated by testing.
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Repair Difficulty
Hard
4/5
Required Part
Cardale Control PCB / Limit Switch Assembly
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