Lennox Furnace Error Code E332: How to Fix It

Error Code

E332

Brand

Lennox

Product Type

furnace

Severity

Critical

DIY Difficulty

Hard

Estimated Fix Time

1-3 hours

Tools You'll Need

• Multimeter
• Phillips screwdriver
• Flathead screwdriver
• Wire strippers
• Insulated gloves
• Safety glasses

How to Fix Error Code E332

1. Turn Off Power and Check Safety

   Always disconnect power before inspecting electrical components to prevent shock or electrocution.

2. Inspect the Compressor Contactor

   Do not touch electrical components with wet hands or in wet conditions.

3. Test Compressor Electrical Connections

   Only perform electrical testing if you are experienced with electrical work. Call a professional if unsure.

4. Check Compressor Capacitor

   Capacitors store electrical charge even when power is off. Discharge safely with an insulated screwdriver before handling.

5. Inspect Compressor for Mechanical Issues

   Never force a seized compressor to turn as this can cause additional damage.

6. Verify Refrigerant Pressures

   Refrigerant handling requires EPA certification. Do not attempt to add refrigerant without proper training and equipment.

7. Reset System and Test Operation

   If the error code returns immediately, discontinue operation and call for professional service.

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