TIMER light 4-time flash — Heat exchanger sensor error

Was bedeutet TIMER light 4-time flash ?

The TIMER light on your air conditioner flashes four times, signaling an error with the heat exchanger sensor. This sensor is crucial for monitoring the temperature within the heat exchanger.

• Broken heat exchanger sensor wire
• Poor connector connection at the heat exchanger sensor
• Defective outdoor unit boards
• Broken heat exchanger fluid pipe sensor wire

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1. 1

   Inspect the wiring and connections of the heat exchanger sensor for any signs of damage or poor contact.

2. 2

   Check for any obstructions or debris around the heat exchanger that might interfere with the sensor.

3. 3

   If the error persists after checking connections, switch off the power to the unit and seek professional help.

4. 4

   Ensure proper airflow around the indoor unit to prevent overheating of the heat exchanger.

5. 5

   Verify that the air filters are clean, as clogged filters can impact heat exchanger performance.