PA (2500) - Water leakage detected

What does PA mean?

The Mitsubishi Electric PUMY Air Conditioner system has detected water leakage, likely from the indoor unit or drain pan, activating a safety shutdown to prevent damage.

• Clogged condensate drain pan
• Blocked or kinked drain line preventing water flow
• Faulty condensate drain pump (if installed)
• Improper installation or sealing

Click steps to track your progress.

1. 1

   Note the error code displayed on the remote controller or outdoor unit.

2. 2

   Inspect the indoor unit and the area around it for visible signs of water leakage or overflow.

3. 3

   Check if the drain pan is overflowing or if the drain line is visibly clogged.

4. 4

   Power off the Mitsubishi Electric PUMY Air Conditioner system at the main electrical breaker.

5. 5

   Wait for at least 30 seconds, then restore power to the system.

6. 6

   If the problem persists, contact a qualified service technician to clear the drain line or inspect for other causes.