Bosch Multicookers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
E0
Multicooker will not start a program and displays E0 immediately after pressing Start.
Lid Not Detected / Lid Switch Fault
E1
Multicooker displays E1 and refuses to start or aborts cooking shortly after starting.
NTC Temperature Sensor Open Circuit
E2
Multicooker shows E2 during preheating or shortly after starting a pressure or frying program.
NTC Temperature Sensor Short Circuit / Overtemperature Detection
E3
E3 error appears during heating, often when using high-temperature modes like frying or sauté.
Overheat Protection / Dry Pot Detection
E4
E4 error appears and the multicooker stops heating, often during pressure cooking.
Pressure Sensor Fault / Pressure Signal Out of Range
E5
E5 error appears when trying to start a pressure program; cooker may not build pressure.
Pressure Not Reached / Leak Detected
E6
E6 error appears and the cooker stops; often associated with lid or pressure issues.
Lid Lock / Pressure Safety Interlock Fault
E7
E7 error appears, often immediately after powering on or selecting a program.
Heating Element Circuit Fault
E8
E8 error appears during operation; cooker may shut down unexpectedly.
Secondary Overheat / Thermal Fuse Protection Triggered
E9
E9 error appears and the cooker does not heat; may occur after a power surge or liquid spill.
Main Control Board Fault
Err
Display shows 'Err' or 'Error' without a number; cooker beeps and will not start.
Generic System Error / Self-Test Failure
H0
Display shows H0 or similar and the cooker does not heat as expected.
Keep-Warm / Low-Heat Mode Indication or Sensor Offset
H1
Display shows H1 and cooker stops or refuses to start high-heat programs.
High Temperature Protection / Sensor Over-Range
Lid
Display shows 'Lid' or a lid icon and the cooker refuses to start a program.
Lid Not Closed / Lid Sensor Misread
P0
Display shows P0 and pressure programs do not start or complete.
Pressure Program Not Available / Pressure System Fault
U01
Display shows U01 or similar user error code; cooker beeps and cancels program.
User Configuration / Program Conflict Error
Symptom
Burning smell during operation, even when food is not burnt.
Electrical Overheating / Insulation Burn
Symptom
Buttons or touch keys respond intermittently or not at all.
Keypad / Touch Sensor Failure
Symptom
Condensation or water collects around the base or on the countertop during cooking.
External Condensation / Minor Leak
Symptom
Display is dim, flickering, or segments are missing.
Display Module / Power Supply Issue
Symptom
Fan noise from the cooker (on models with cooling fans) is unusually loud or grinding.
Cooling Fan Wear or Obstruction
Symptom
Inner pot coating is peeling or scratched; food sticks badly.
Inner Pot Nonstick Coating Failure
Symptom
Keep Warm function overheats food, causing drying or burning.
Keep-Warm Temperature Too High
Symptom
Lid does not lock for pressure cooking; float valve never rises.
Float Valve / Locking Failure
Symptom
Lid will not open after cooking; float valve appears down but lid remains stuck.
Lid Mechanism Jam / Residual Pressure Lock
Symptom
Loud hissing or whistling noise from lid during pressure cooking.
Excessive Steam Escape / Valve Maladjustment
Symptom
Multicooker does not power on at all; no lights or display when plugged in.
No Power / Dead Appliance
Symptom
Multicooker heats but never reaches set temperature; food remains undercooked.
Insufficient Heating / Temperature Regulation Fault
Symptom
Multicooker overheats; food burns on the bottom even on normal settings.
Overheating / Temperature Overshoot
Symptom
Multicooker powers on but will not start any program; pressing Start has no effect.
Start Key / Control Panel Input Failure
Symptom
Multicooker takes excessively long to build pressure or never reaches pressure; steam constantly escapes from lid.
Pressure Leak / Inability to Pressurize
Symptom
Multicooker trips the household circuit breaker or RCD when plugged in or when heating starts.
Electrical Short or Ground Fault
Symptom
Programs end too early; cooker switches to Keep Warm before food is done.
Premature Program Termination
Symptom
Rattling or vibration noise from inside the cooker during operation.
Internal Component Vibration
Symptom
Steam or water leaks from around the lid handle or top cover during cooking.
Lid Assembly Leak
Symptom
Unpleasant or persistent odors from the cooker or silicone ring, even after cleaning.
Odor Retention in Silicone and Plastic Parts
Symptom
Unusual loud clicking, popping, or metallic noises from the base during heating.
Thermal Expansion Noise / Loose Heating Plate
Symptom
Visible rust or corrosion on metal parts inside the cooker or on the heating plate.
Corrosion of Internal Metal Components
Symptom
Water or foam spurts out of the steam release valve excessively during pressure cooking.
Excessive Foaming / Boil-Over Through Valve
Symptom
Water or food appears inside the base of the cooker under the heating plate.
Internal Leak into Base
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E0 |
Multicooker will not start a program and displays E0 immediately after pressing Start.
|
Lid Not Detected / Lid Switch Fault | View Details |
| E1 |
Multicooker displays E1 and refuses to start or aborts cooking shortly after starting.
|
NTC Temperature Sensor Open Circuit | View Details |
| E2 |
Multicooker shows E2 during preheating or shortly after starting a pressure or frying program.
|
NTC Temperature Sensor Short Circuit / Overtemperature Detection | View Details |
| E3 |
E3 error appears during heating, often when using high-temperature modes like frying or sauté.
|
Overheat Protection / Dry Pot Detection | View Details |
| E4 |
E4 error appears and the multicooker stops heating, often during pressure cooking.
|
Pressure Sensor Fault / Pressure Signal Out of Range | View Details |
| E5 |
E5 error appears when trying to start a pressure program; cooker may not build pressure.
|
Pressure Not Reached / Leak Detected | View Details |
| E6 |
E6 error appears and the cooker stops; often associated with lid or pressure issues.
|
Lid Lock / Pressure Safety Interlock Fault | View Details |
| E7 |
E7 error appears, often immediately after powering on or selecting a program.
|
Heating Element Circuit Fault | View Details |
| E8 |
E8 error appears during operation; cooker may shut down unexpectedly.
|
Secondary Overheat / Thermal Fuse Protection Triggered | View Details |
| E9 |
E9 error appears and the cooker does not heat; may occur after a power surge or liquid spill.
|
Main Control Board Fault | View Details |
| Err |
Display shows 'Err' or 'Error' without a number; cooker beeps and will not start.
|
Generic System Error / Self-Test Failure | View Details |
| H0 |
Display shows H0 or similar and the cooker does not heat as expected.
|
Keep-Warm / Low-Heat Mode Indication or Sensor Offset | View Details |
| H1 |
Display shows H1 and cooker stops or refuses to start high-heat programs.
|
High Temperature Protection / Sensor Over-Range | View Details |
| Lid |
Display shows 'Lid' or a lid icon and the cooker refuses to start a program.
|
Lid Not Closed / Lid Sensor Misread | View Details |
| P0 |
Display shows P0 and pressure programs do not start or complete.
|
Pressure Program Not Available / Pressure System Fault | View Details |
| U01 |
Display shows U01 or similar user error code; cooker beeps and cancels program.
|
User Configuration / Program Conflict Error | View Details |
| – |
Burning smell during operation, even when food is not burnt.
|
Electrical Overheating / Insulation Burn | View Details |
| – |
Buttons or touch keys respond intermittently or not at all.
|
Keypad / Touch Sensor Failure | View Details |
| – |
Condensation or water collects around the base or on the countertop during cooking.
|
External Condensation / Minor Leak | View Details |
| – |
Display is dim, flickering, or segments are missing.
|
Display Module / Power Supply Issue | View Details |
| – |
Fan noise from the cooker (on models with cooling fans) is unusually loud or grinding.
|
Cooling Fan Wear or Obstruction | View Details |
| – |
Inner pot coating is peeling or scratched; food sticks badly.
|
Inner Pot Nonstick Coating Failure | View Details |
| – |
Keep Warm function overheats food, causing drying or burning.
|
Keep-Warm Temperature Too High | View Details |
| – |
Lid does not lock for pressure cooking; float valve never rises.
|
Float Valve / Locking Failure | View Details |
| – |
Lid will not open after cooking; float valve appears down but lid remains stuck.
|
Lid Mechanism Jam / Residual Pressure Lock | View Details |
| – |
Loud hissing or whistling noise from lid during pressure cooking.
|
Excessive Steam Escape / Valve Maladjustment | View Details |
| – |
Multicooker does not power on at all; no lights or display when plugged in.
|
No Power / Dead Appliance | View Details |
| – |
Multicooker heats but never reaches set temperature; food remains undercooked.
|
Insufficient Heating / Temperature Regulation Fault | View Details |
| – |
Multicooker overheats; food burns on the bottom even on normal settings.
|
Overheating / Temperature Overshoot | View Details |
| – |
Multicooker powers on but will not start any program; pressing Start has no effect.
|
Start Key / Control Panel Input Failure | View Details |
| – |
Multicooker takes excessively long to build pressure or never reaches pressure; steam constantly escapes from lid.
|
Pressure Leak / Inability to Pressurize | View Details |
| – |
Multicooker trips the household circuit breaker or RCD when plugged in or when heating starts.
|
Electrical Short or Ground Fault | View Details |
| – |
Programs end too early; cooker switches to Keep Warm before food is done.
|
Premature Program Termination | View Details |
| – |
Rattling or vibration noise from inside the cooker during operation.
|
Internal Component Vibration | View Details |
| – |
Steam or water leaks from around the lid handle or top cover during cooking.
|
Lid Assembly Leak | View Details |
| – |
Unpleasant or persistent odors from the cooker or silicone ring, even after cleaning.
|
Odor Retention in Silicone and Plastic Parts | View Details |
| – |
Unusual loud clicking, popping, or metallic noises from the base during heating.
|
Thermal Expansion Noise / Loose Heating Plate | View Details |
| – |
Visible rust or corrosion on metal parts inside the cooker or on the heating plate.
|
Corrosion of Internal Metal Components | View Details |
| – |
Water or foam spurts out of the steam release valve excessively during pressure cooking.
|
Excessive Foaming / Boil-Over Through Valve | View Details |
| – |
Water or food appears inside the base of the cooker under the heating plate.
|
Internal Leak into Base | View Details |
No matching codes found
Advertisements