LG Dryer Error Code Add

The Add error code on an LG dryer signals a problem with the water supply to the appliance. It indicates that the dryer is not receiving water, which is required for steam functions to operate. The cause is typically a closed water tap, a disconnected inlet hose, or a faulty water inlet valve.

The dryer's steam functions will not operate while the Add error is active, but standard heat-drying cycles may still be available depending on the model. It is best to resolve the water supply issue before using steam features to avoid any potential damage to the steam system components. Continuing to attempt steam cycles without a water supply can stress the inlet valve and related parts.

Resetting the dryer by unplugging it for a few minutes may temporarily clear the error display, but the code will return if the underlying water supply issue has not been resolved. A reset does not fix a closed tap, a disconnected hose, or a failed inlet valve. The error will only stay cleared once the root cause has been corrected and the dryer can confirm proper water flow.

Start by checking that the water supply tap behind or near the dryer is fully open. Then inspect the inlet hose for a secure connection at both ends and look for any kinks or damage along its length. If the tap and hose are both in order, the water inlet valve on the dryer may need to be inspected for electrical connectivity or replaced if it has failed.

If the fix is simply opening the water tap or reseating the inlet hose, there is no parts cost involved. Replacing a damaged inlet hose typically costs between $10 and $30 for the part. A replacement water inlet valve generally runs between $20 and $75 for the part, with additional labor costs if a technician is hired to complete the repair.