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E030

Bosch · HDI8056U 800 Series 30 in Induction Slide-In Range

Bosch HDI8056U 800 Series 30 in Induction Slide-In Range E030 Error Fix: Control Board Communication Error

Communication failure between the electronic control board (ERC) and the user interface (display) board. On Bosch ovens, these are often connected by a ribbon cable or multi-pin connector. Check for loose connections, damaged ribbon cables, or corroded pins. Disconnect power for 5 minutes and reconnect. If the error persists, replace the user interface board first. If the issue continues, the main control board (ERC) may need replacement.

High severity2 fixes available✨ Free fix available
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Quick Answer

Error E030 on the Bosch HDI8056U 800 Series 30 in Induction Slide-In Range means: Control Board Communication Error. The top-ranked community fix is “Replace User Interface or Main Control Board” (hard difficulty, ~90 min, DIY cost: $0-$20). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · oven

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many oven repairs can be done safely at home, consider hiring a qualified technician if:

  • This is a high severity error — continued use may cause damage or a safety hazard
  • The repair involves electrical wiring, gas lines, or refrigerant
  • You've tried the top-ranked fix and the error persists
  • You smell gas, see sparking, or notice water leaking
  • The repair requires specialized tools you don't have
  • Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $250-$400.

Other Bosch Models with Error E030

HBL5451UC 500 Series 30 in Single Wall Oven

oven · 2 fixes

HBL8451UC 800 Series 30 in Single Convection Wall Oven

oven · 2 fixes

HBL8651UC 800 Series 30 in Double Convection Wall Oven

oven · 2 fixes

HBN5451UC 500 Series 27 in Single Wall Oven

oven · 2 fixes

HBN8651UC 800 Series 30 in Single Wall Oven

oven · 2 fixes

HEI8056U 800 Series 30 in Electric Slide-In Range

oven · 2 fixes

HGI8056UC 800 Series 30 in Gas Slide-In Range

oven · 2 fixes

HII8056U 800 Series 30 in Induction Range with Home Connect

oven · 2 fixes

HSLP451UC Benchmark 30 in Steam Convection Oven

oven · 2 fixes

Other Bosch HDI8056U 800 Series 30 in Induction Slide-In Range Error Codes

E011

Oven Temperature Sensor Open

2 fixes
E012

Oven Temperature Sensor Shorted

2 fixes
E013

Oven Maximum Temperature Exceeded

2 fixes
E015

Door Lock Fault — Self-Clean

2 fixes
E016

Door Lock Timeout

2 fixes
E031

Control Board Internal Fault

2 fixes
E111

Bake Element Circuit Fault

2 fixes
E115

Broil Element Circuit Fault

2 fixes

People Also Ask About Bosch HDI8056U 800 Series 30 in Induction Slide-In Range Error E030

What does error code E030 mean on a Bosch HDI8056U 800 Series 30 in Induction Slide-In Range?
Error code E030 on the Bosch HDI8056U 800 Series 30 in Induction Slide-In Range means: Control Board Communication Error. Communication failure between the electronic control board (ERC) and the user interface (display) board. On Bosch ovens, these are often connected by a ribbon cable or multi-pin connector. Check for loose connections, damaged ribbon cables, or corroded pins. Disconnect power for 5 minutes and reconnect. If the error persists, replace the user interface board first. If the issue continues, the main control board (ERC) may need replacement.
How do I fix error code E030 on my Bosch HDI8056U 800 Series 30 in Induction Slide-In Range?
The most successful fix is "Replace User Interface or Main Control Board" (hard difficulty, ~90 minutes). Estimated DIY cost: $0-$20. HomeMD has 2 community-ranked fixes for this error.
Is error code E030 on a Bosch HDI8056U 800 Series 30 in Induction Slide-In Range serious?
This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.
Can I fix Bosch HDI8056U 800 Series 30 in Induction Slide-In Range error E030 myself?
Yes — the top-ranked community fix ("Replace User Interface or Main Control Board") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Phillips screwdriver.
How much does it cost to repair Bosch HDI8056U 800 Series 30 in Induction Slide-In Range error E030?
DIY cost: $0-$20. Professional repair typically costs $250-$400. Many homeowners save money by trying the top-ranked community fix first.
What other error codes does the Bosch HDI8056U 800 Series 30 in Induction Slide-In Range have?
The Bosch HDI8056U 800 Series 30 in Induction Slide-In Range has 8 other known error codes, including: E011 (Oven Temperature Sensor Open), E012 (Oven Temperature Sensor Shorted), E013 (Oven Maximum Temperature Exceeded), E015 (Door Lock Fault — Self-Clean), E016 (Door Lock Timeout), and 3 more.
Which other Bosch models have the E030 error?
Error code E030 also appears on 9 other Bosch models: HBL5451UC 500 Series 30 in Single Wall Oven, HBL8451UC 800 Series 30 in Single Convection Wall Oven, HBL8651UC 800 Series 30 in Double Convection Wall Oven, HBN5451UC 500 Series 27 in Single Wall Oven, HBN8651UC 800 Series 30 in Single Wall Oven, HEI8056U 800 Series 30 in Electric Slide-In Range, and 3 more. The fix may vary by model, so check each model's specific page for tailored repair steps.
What other error codes does the Bosch HDI8056U 800 Series 30 in Induction Slide-In Range have?

The Bosch HDI8056U 800 Series 30 in Induction Slide-In Range has 8 other known error codes:

Which other Bosch models have the E030 error?

Error code E030 also appears on 9 other Bosch models:

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