Drain Overflow Protection Malfunction

¿Qué significa P5 ?

The mechanism designed to prevent drain pan overflow in the indoor unit is not functioning correctly. This could be due to a faulty drain sensor, a malfunctioning condensate pump, or a clogged drain line, leading to water damage.

• Drain overflow protection activated.
• Drain pan is full and cannot remove water.
• Clogged condensate drain line.

Haga clic en los pasos para seguir su progreso.

1. 1

   Verify the drain sensor (P4) is operating correctly by checking its resistance or output.

2. 2

   Inspect the condensate drain line for blockages, kinks, or improper slope that could impede water flow.

3. 3

   If a condensate pump is installed, verify its operation and check its float switch for proper activation and deactivation.