Wolf Dual Fuel Range DFxx50 Code 5222: PCM ambient temperature exceeded

What 5222 means

On Wolf DFxx50 dual fuel ranges from 2020 on, such as the DF30450/S/P and DF36450G/S/P, code 5222 means the PCM ambient temperature has been exceeded. The PCM is a control module, and it reports that the air around it is hotter than allowed. You will see 5222, and the range may reduce heating or stop a cycle until it cools.

Common causes of 5222

Hot air around the control module from heavy or long cooking
Blocked vents or poor ventilation near the range
A cooling fan that is not moving enough air

✓ One safe check you can try

1. Turn the oven off and let the range cool for 30 minutes or more. 2. Clear anything blocking vents around the range and open a window or run the hood. 3. Kill the range breaker for sixty seconds, then reset it. 4. If 5222 returns on a cool range, call us.

! Why to stop there

A high reading in a cool kitchen suggests a sensor or fan problem, not just heat.
Repeated overheating shortens electronics life.
Written price first, and the repair has a 30-day workmanship warranty.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Range codes

03ERR 03 on a Wolf Legacy Dual Fuel Range: Open Circuit on the RTD Oven Sensor OEWolf Legacy Dual Fuel Range Code OE: power relay shorted CFH light slow blinkWolf DSI Gas Burner Code CFH Light Slow Blink: Ignition lockout 04Wolf Legacy Dual Fuel Range ERR 04 Code: Shorted RTD Sensor Circuit E05Wolf Induction Range Cooktop Code E05: LIN communication, no generator response 07ERR 07 on a Wolf Legacy Dual Fuel Range: Control Head Communication Lost E07Wolf Induction Range Cooktop Code E07: Primary control too hot 08Wolf Legacy Dual Fuel Range ERR 08 Code: EEPROM Checksum Wrong at Power-Up

52225222 questions

What is the PCM on my Wolf range?

It is a control module in the range. Code 5222 means the temperature around it went above its limit, so the range protects itself by cutting back.

Why did 5222 show after a big dinner?

Long use at high heat warms the whole cavity and the module. Cooling down and ventilating often clears it. If it recurs with normal use, we check the fans.

Does 5222 mean the board is broken?

Not necessarily. It may only mean heat. We check airflow and fans before looking at the board, and quote in writing first. We note your model and the exact display, and you only pay for what is needed.