The fan blade clamp, also known as a clamp spring, are for air conditioners. The clamp supports the fan blade on the motor shaft. When the motor is running, it signals the shaft to turn and rotate, bu...
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Cliff
November 25, 2022
Error code CH 67. Fan is not locked
For model number LW1817IVSM
Hello Cliff, thank you for reaching out. The error code CH 67 on your LG air conditioner indicates a fan lock error, a problem with the outdoor fan motor, or the board that controls it. We suggest that you check the following parts: the motor, part number PS12383668, thermistor, part number PS12080341, air filter, part number PS16546792, and the control board, part number PS12581451. Please reach out to customer service if you need help placing an order, anyone will be happy to assist you. We hope that helps.
Pull the unit out of cabinet. Remove the brace between the blower housing and the condenser frame. Remove the screws securing the the condenser coil to the base and carefully lift and angle it just enough for the broken fan to clear ( be very careful with the refrigerant lines ). Slide the new fan back on the shaft and secure with the spring clamp. I used a pair of vice grips to compress the clamp, but be very careful because the clamp can exit the pliers, if the jaws are not perpendicular to the clamp. If you live in a area with high humidity remove the rubber plug at the back of the unit or the condensation will break your new fan. This fan needs some changes in design because the condensation puts too much stress on the plastic that contacts the motor shaft - some metal between shaft and the blades would help.
Part of the fan blade broke on my AC unit and was causing a vibration. This made the AC unusable. The ordered Fan was a perfect OE replacement. I simply removed the outside over and then the fan shroud inside the unit. I carefully repositioned the condenser unit being careful not to damage the fins. Using a pair of pliers, I removed the retainer clip and removed the old fan. The new fan slid right over the shaft. I replaced the retaining clip and then repositioned the shroud. Then I placed the condenser and fins back into place and then placed the cover back over the unit. Worked perfect. No issues. Take your time. Excellent replacement fan!
