Are you seeing the C-A2 error code on your Samsung wall oven (especially model NX36R9966PM/AA)? You’re definitely not alone! Many Samsung owners face this frustrating issue, but don’t worry — we’ll explain what it means and how to fix it without unnecessary part replacements. Let’s dive in! 👇
🚨 What Does the C-A2 Error Mean?
The C-A2 error points directly to a problem with your oven’s cooling fan (also called the blower fan). This fan’s job is to keep the internal components cool and prevent overheating, especially protecting the control board.
- 🔧 Most Common Fix: Replace the cooling fan (blower fan) — Part# DG31-00026C fits this model NX36R9966PM/AA, please check parts breakdown for your model
🔎 Which Other Samsung Models Share This Issue?
This problem isn’t unique to the NX36R9966PM/AA model. Other Samsung ovens also show the same C-A2 error and cooling fan failure, such as:
- NQ70M6650DS/AA
- NV51K6650SG/AA
- NV51K7770DS/AA
- NQ70T5511DS/AA
If your oven shows the C-A2 code, the cooling fan (DG31-00026C) is usually the main culprit! 
💡 Pro Tip from the Field: What To Check Next
- ✅ First, check the cooling fan — it often wears out before the control board.
- ⚠️ If the fan looks fine but the error persists, inspect the main control board — especially the connector that powers the fan.
🔥 Where to Inspect: The Burnt Connector Location
When you open the top panel of the oven and face it from the front, look to the top-left corner. That’s where the cooling fan’s connector plugs into the main control board.
- 🔥 If you spot burn marks or melted plastic, it means:
- The fan likely failed and pulled too much current, damaging the connector.
- Or the connector was loose, causing arcing and heat buildup.
What to do: Replace the fan and carefully inspect the connector. If the connector is badly burnt, you may need a new main control board as well.
🚗 Need Expert Help in Metro Atlanta?
If you live in Alpharetta, Roswell, Buckhead, or Sandy Springs, Atlanta City Appliance Repair is ready to assist! We specialize in:
- Samsung oven cooling fan replacements
- Control board repairs and replacements
- Fixing burnt or faulty connectors
📞 Call us now at (404)903-1453
📅 Or schedule online for same-day or next-day service!