Did E310 appear after an outage, storm, or breaker trip?
Do one full five-minute breaker reset. If the code stays gone, run a short oven check and keep notes.
Range power fault help
Bosch Range E310 Error Code? Check Power First
Bosch freestanding range E310 is listed as a power supply failure, so start with safe power clues. Reset once, document whether the code returns at idle, and avoid energized electrical work.
A one-time power dip may clear. An immediate return points toward supply voltage, wiring, terminal connection, or service diagnosis.
Good clue: E310 returns before oven use, which keeps the diagnosis in the power-supply lane.
Don’t start with: Do not test energized range wiring unless you are qualified. If the breaker trips, the display flickers, or anything smells hot, leave the range off.
Breaker trips or you smell heatLeave power off and treat this as an electrical or appliance-service call.
Code clears after a full resetRun a short oven check and watch for a repeat fault before buying parts.
Do this first
- If the breaker trips again, leave the range off.
- If you smell burning plastic, see smoke, or find a scorched cord area, leave power off and call a pro.
- Do not measure energized 240-volt wiring unless you are qualified.
- Do not remove the terminal cover or control panel with power on.
- If the range is gas or dual-fuel, stop moving it as soon as the connector starts to tighten. Do not loosen gas fittings or strain the connector.
- Use one full five-minute breaker reset, then stop repeating resets if E310 returns.
60-second power sort
Does E310 return before you touch any controls?
Treat the fault as active. The next useful check is supply voltage, cord, terminal, or internal power path, not keypad shopping.
Does the breaker trip again or the display flicker?
Leave the range off and call a licensed electrician or appliance tech. Repeated breaker resets are not a repair.
Is the unit a slide-in range with E plus a number?
Use the exact Bosch model page or owner manual. Some Bosch range families group E-number faults as electronics faults after reset.
Did a pro confirm correct voltage and good connections?
Now the range control or power board can move up. Match parts by full model number and diagnosis, not by code alone.
Start at the power clue, not the parts list
For E310, the useful first split is whether a full reset clears the code or the range still sees a power fault.
Before you buy anything
Copy the full Bosch model number and E-Nr first. On Bosch freestanding ranges, E310 points to power supply. If it returns right after a five-minute reset, watch for breaker trips, display flicker, hot smell, or visible cord damage. Check those clues and have correct voltage, the terminal block, and wiring checked before you buy a keypad, display board, or main control.
What E310 usually means
Bosch's freestanding range support lists e310 as a power supply failure. That changes the order of diagnosis: power first, appliance electronics later.
- Start with the reset Bosch calls for: breaker off, wait five minutes, breaker back on.
- A code that clears after a known outage may have been a latched power event.
- A code that returns immediately points toward supply voltage, cord connection, terminal block, wiring, or the appliance power path.
- A touch panel or keypad can still fail on a range, but E310 does not make that the first bet.
- For slide-in or induction models, check the exact Bosch support page because some E-number faults are grouped differently.
- Good clue: the code returns after a full breaker reset before cooking starts, which keeps power supply high on the list.
- Watch for cord, outlet, or terminal-area heat marks without touching live parts.
What not to do with E310
This is where homeowners lose money or make the job unsafe. Keep the first checks visible and reversible.
- Do not reset a breaker repeatedly when it trips again.
- Do not probe the receptacle, terminal block, or range wiring live unless you are qualified.
- Do not assume E310 means the keypad is bad because the code appears on the display.
- Do not order a control board until the supply side has been checked.
- If the range is gas or dual-fuel, stop moving it as soon as the connector starts to tighten. Do not loosen gas fittings or kink the connector.
- Do not ignore a hot smell, scorched cord, melted terminal cover, or flickering display.
- Do not treat E310 as a keypad problem from the display alone.
- Do not meter energized range wiring unless you are trained and equipped for that work.
Work through the safe power checks
The goal is to collect facts without opening energized electrical areas. Those facts make the service call shorter and prevent blind parts orders.
- Turn the breaker fully off, not just halfway, and wait five full minutes.
- Restore power and watch the display before pressing Bake, Broil, Timer, or any touch key.
- Write down whether the code returns immediately, during preheat, or only after other kitchen loads run.
- Look for recent outage, storm, utility work, panel work, range installation, or a tripped breaker.
- Check the model tag and range type so the right Bosch error-code page is used.
- Photograph the display and model label before calling Bosch, an appliance tech, or an electrician.
What the reset result means
Use the reset outcome before moving deeper. It is the cleanest homeowner split on this code.
| What you see | What it usually means | Next move |
|---|---|---|
| E310 clears and stays gone | A temporary power disturbance or latched control event is possible. | Run a short oven check and watch for a repeat fault. |
| E310 returns before any key press | The range still sees a power-supply or control-path fault. | Stop parts shopping and arrange voltage or appliance diagnosis. |
| Breaker trips again | The circuit, cord, terminal, or internal wiring may be unsafe. | Leave power off and call a licensed electrician or appliance tech. |
| Display flickers or smells hot | A loose, overheated, or failing connection is possible. | Stop using the range until the power path is inspected. |
| Model page gives a different meaning | Bosch model families do not all route codes the same way. | Follow the exact model manual or Bosch support guidance. |
Tools You May Need
Use these for visible checks and documentation. They are not permission to open energized electrical areas.
Paid links. As an Amazon Associate I earn from qualifying purchases. Repair Riot may earn a commission at no extra cost to you.
Inspection flashlight
Helps when: Use an inspection flashlight to find hair, trap sludge, code timing clues, or the first wet point without guessing.
Skip it when: Skip work until the area is dry, accessible, and safe to inspect.
Compare inspection flashlights on Amazon
Phone camera
Helps when: Use a phone camera to document the code, timing, model tag, and visible connector or cord condition for service notes.
Skip it when: Skip using photos as a reason to open energized panels or guess at control parts.
Compare phone repair-note accessories on Amazon
Digital multimeter
Helps when: Use a digital multimeter only if you are trained to test the required circuit safely.
Skip it when: Skip energized electrical testing if you are not equipped for range electrical diagnostics.
Compare digital multimeters on AmazonReplacement Parts
Parts come after diagnosis here. E310 starts with supply power, so the safest parts advice is narrow and conditional.
Paid links. As an Amazon Associate I earn from qualifying purchases. Repair Riot may earn a commission at no extra cost to you.
Range power cord
Helps when: Use a range power cord only when diagnosis confirms cord damage or the exact cord type is required.
Skip it when: Skip replacing the cord from E310 alone; power supply diagnosis comes first.
Compare range power cords on Amazon
Terminal block or harness repair
Helps when: Use terminal block or harness repair only after trained diagnosis finds heat damage, looseness, or failure there.
Skip it when: Skip DIY energized electrical repair and match all parts to the exact range model.
Compare range terminal block parts on Amazon
Bosch range control board
Helps when: Use a Bosch range control board only after supply power and terminal issues are ruled out by diagnosis.
Skip it when: Skip control-board replacement from E310 alone; a board only belongs in the cart after supply power, terminal block, cord, and model-specific diagnostics all point back to the control.
Compare Bosch range control boards on AmazonFAQ
What does E310 mean on a Bosch range?
Bosch lists e310 on freestanding ranges as a power supply failure. Start with the full five-minute breaker reset, then treat a returning code as a supply-voltage, cord, terminal, wiring, or appliance power-path issue until it is diagnosed.
Can I reset E310 and keep using the range?
One full reset is reasonable after an outage or breaker trip. If E310 returns, the range is still seeing a fault. Repeated resets around a tripping breaker, flickering display, or hot smell are not safe troubleshooting.
Is E310 usually a bad control board?
Not as a first call. On Bosch freestanding ranges, E310 points to power supply. If the code returns right after a five-minute reset, note breaker behavior, flicker, or hot smell and have correct voltage, cord, terminal block, and wiring checked before a control board moves up.
Should I replace the keypad for Bosch E310?
No, not from the E310 code alone. A keypad or touch panel can fail on a range, but this code is a power clue first. If the code appears before you press any keys, stay on reset timing, breaker behavior, and power checks. Buy keypad parts only if your exact model guidance or separate keypad symptoms point there.
Why does Bosch say to measure the house wiring?
Bosch's support path points toward confirming correct voltage. For most homeowners, that means calling a licensed electrician or qualified appliance tech, not opening an energized terminal block with a meter.
What if my Bosch slide-in range shows E310?
Use the exact model number and E-Nr from the tag. Bosch slide-in support can group E plus number faults differently than freestanding ranges, so compare your model page before applying E310 advice. Do the reset that page calls for; if the code returns or support is listed, contact Bosch or service instead of guessing at parts.
Can a power outage cause E310?
Yes, a voltage dip or breaker event can leave a control fault latched. If the code clears after one full five-minute reset and does not return during a short oven check, keep notes and watch it.
When should I call an electrician instead of an appliance tech?
Call a licensed electrician when the breaker trips again, other circuits act strange, the receptacle or cord connection looks heat damaged, or the suspected problem is supply voltage or house wiring.
What should I write down before calling Bosch or service?
Before calling, write down the full model number or E-Nr and whether the range is gas, electric, dual-fuel, or induction. Note when E310 appears, whether a reset helped, and any breaker trip, outage, flicker, hot smell, or visible damage. If gas or dual-fuel moving would strain the connector, stop there and say that when you call.
How this guide was built
Repair Riot built this page from Bosch range error-code support, then kept the homeowner path limited to reset timing, visible clues, model lookup, and clear stop points before energized electrical work.
- Bosch freestanding range error codes — lists e310 as a power supply failure and gives the five-minute breaker reset path
- Bosch slide-in range error codes — shows how Bosch groups some slide-in E-number faults and when support is advised
- Bosch service and repair support — model-number, authorized service, and large-appliance repair support