L4 — High temperature at inverter circuit heatsink

Was bedeutet L4 ?

This code means the heatsink for the inverter circuit is experiencing high temperatures. This can affect the performance and lifespan of the inverter.

• Inadequate cooling of the inverter heatsink
• Overloaded inverter circuit
• Dust or debris on the heatsink

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Ensure the area around the outdoor unit has good airflow and is free of obstructions.

2. 2

   Clean any dust or debris from the heatsink if accessible and safe to do so.

3. 3

   Consult a technician if the high temperature persists, as the inverter may be failing.