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York Ywm15l-amlda Manual

Gently pull the left and right lower indents of the front return air panel to swing it upward.

According to the manual’s first page, the serial number label is on the right side of the chassis (you must pull the unit out of the wall sleeve slightly to see it).

Adjusts air velocity between Low, Medium, High, and Auto. york ywm15l-amlda manual

Refer to the York Installation & Operation Manual for detailed visuals on the following:

Vacuum loose dust or rinse the filters under lukewarm tap water. Do not use hot water or harsh chemical detergents. Gently pull the left and right lower indents

Replace the remote batteries with fresh AAA alkalines. Corroded or weak batteries may fail to transmit a signal even if the remote display screen appears active. The System Blows Warm Air

| Flash Code | Meaning (According to the YWM15L-AMlDA Manual) | Likely Fix | | :--- | :--- | :--- | | | Normal operation (Standby) | No action needed. | | 2 Flashes | Pressure switch stuck open | Check condensate drain line or inducer motor. | | 3 Flashes | Pressure switch stuck closed | Replace pressure switch or check for obstructions. | | 4 Flashes | Limit switch open (Overheat) | Check airflow (dirty filter or closed vents). | | 5 Flashes | Rollout switch open (Flame rollout) | Serious issue. Check heat exchanger and flue. | | Continuous Flash | Control board failure | Replace the main circuit board. | Refer to the York Installation & Operation Manual

Approximately 1.5 HP (Horsepower) / 12,000 BTU

Disclaimer: Model suffixes can be misread. Always confirm the exact characters on the unit’s silver data label. The above write-up is for guidance; refer only to the official York literature for actual procedures.

York YWM15L-AMLDA is a wall-mounted air conditioner from York’s "Cooling King" L-Series.