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A — Model CSO30CM/B

Wolf CSO30CM/B

Wolf CSO30CM/B 30" convection steam oven — combined steam and convection cooking.

Series Convection Steam Type Oven Coverage All 50 US states Response ~24h average
Schedule repair (844) 991-2780
Wolf CSO30CM/B Oven — specifications and repair
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Experienced technicians in all 50 US states. Average response within 24 hours.

  • Experienced Wolf specialists
  • Genuine OEM parts
  • 30-day labor warranty
  • Upfront pricing
B — Specifications

CSO30CM/B technical specifications.

Wolf CSO30CM/B 30" convection steam oven — combined steam and convection cooking.
Type Built-in convection steam oven
Series CSO (Convection Steam)
Width 30"
Cooking Steam, convection, and combined modes
Water Refillable reservoir steam generator
Controls Contemporary M styling
Finish Black glass
D — Error codes

Oven error codes.

All oven codes →
Oven Won’t Heat

A Wolf wall oven powers on but never gets hot or heats far below the set point.

Oven
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Won’t Self-Clean

A Wolf wall oven will not start or finish a self-clean cycle.

Oven
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E09

PT temperature-sensor short on a Wolf CSO convection steam oven.

Oven
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Door Won’t Unlock

A Wolf wall oven door stays locked after a self-clean cycle.

Oven
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F4 / E87

Steam generator / temperature-sensor failure on a Wolf CSO steam oven (F4/E87).

Oven
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E29 / F9

Steam chamber not sealed on a Wolf CSO convection steam oven (E29/F9).

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E — Knowledge base

Oven guides & troubleshooting.

All guides →
Fresh pastries browning inside a clean built-in oven — professional Wolf wall oven repair BUYING GUIDES
Buying Guides

Wolf Wall Oven Buying Guide: Single, Double & Steam

5 min read UPDATED 2026
An open built-in wall oven in a luxury kitchen — professional Wolf wall oven repair GLOSSARY
Glossary

What Is the Wolf Temperature Probe? (Glossary)

5 min read UPDATED 2026
A baking tray of pastries inside a stainless wall oven — professional Wolf wall oven repair GLOSSARY
Glossary

M Series vs E Series Glossary: Wolf Differences

5 min read UPDATED 2026
F — Related models

Other Wolf oven models.

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F — Get started

Need repair for your
Wolf CSO30CM/B?

Experienced technicians, genuine Wolf parts, 30-day labor warranty. All 50 US states.

Schedule service Call (844) 991-2780