Oursson
Oursson Multicookers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Multicooker will not start cooking; display shows E1 shortly after pressing Start.
Lid Temperature Sensor Circuit Fault
E2
Multicooker beeps and shows E2; cooking does not start or stops shortly after heating begins.
Bottom Temperature Sensor (NTC) Fault
E3
Display shows E3 and the cooker stops heating or refuses to start high-temperature programs.
Overtemperature Protection Triggered (Overheat on Heating Plate)
E4
E4 appears on the display, often when using pressure or high-temperature frying modes.
Overpressure or Pressure Sensor Fault
E5
E5 error appears and the cooker stops heating or will not enter pressure mode.
Pressure Not Reached / Pressure Leakage
E6
E6 is displayed and the cooker does not heat or immediately cancels the program.
Heating Element Circuit Fault
E7
E7 appears intermittently, often when the cooker is moved or the inner pot is jostled.
Inner Pot Presence / Weight Sensor Fault
E8
E8 error appears and the cooker may shut down unexpectedly during operation.
Internal Power Supply or Voltage Error
E9
E9 is displayed and the cooker does not respond to program selection or heating commands.
Control Panel / Keypad Communication Error
Err
Display shows 'Err' or 'Error' and the cooker refuses to start any program.
Generic System Error / Self-Test Failure
H2O
Display shows 'H2O' or a water droplet icon and cooking is interrupted or will not start.
Low Water / Dry Pot Protection
Lid
Display shows 'Lid' or a lid icon; cooker will not start pressure or high-heat programs.
Lid Lock / Lid Position Switch Fault
P1
P1 error appears when trying to start a pressure program; cooker does not build pressure.
Pressure Sensor Calibration Error
P2
P2 error appears during pressure cooking; cooker may release steam and stop the program.
Excessive Pressure Detected
U01
U01 or similar user code appears and the cooker refuses to start until cleared.
User Lock / Child Lock Activated
U02
U02 or similar code appears when trying to start a program with the lid open.
Open Lid Safety Interlock
Symptom
Buttons or touch keys on the control panel do not respond or respond intermittently.
Keypad / Touch Sensor Failure
Symptom
Display is dim, flickering, or some segments/LEDs do not light.
Display Module or Backlight Failure
Symptom
Fan noise from the side or bottom of the multicooker is very loud or fan does not run at all.
Cooling Fan Failure or Obstruction
Symptom
Keep Warm function overheats food, causing it to dry out or burn.
Keep Warm Temperature Too High
Symptom
Lid does not lock or build pressure; float valve never rises during pressure cooking.
Float Valve Not Sealing or Rising
Symptom
Lid is stuck and will not open after cooking; float valve appears to be down.
Mechanical Lid Jam After Cooking
Symptom
Liquid appears to leak from the bottom of the multicooker, not just from the condensation cup.
Internal Leak from Inner Pot or Valve Area
Symptom
Loud banging or popping sounds during heating or pressure cooking.
Inner Pot Movement / Steam Bubble Collapse
Symptom
Multicooker does not power on at all; no lights or display when plugged in.
No Power / Dead Appliance
Symptom
Multicooker heats very slowly or never reaches the set temperature; food remains undercooked.
Reduced Heating Output
Symptom
Multicooker overheats; food burns on the bottom even on normal programs.
Temperature Regulation Failure (Runs Too Hot)
Symptom
Multicooker powers on but will not start any cooking program; pressing Start does nothing or beeps only.
Start Inhibit / Safety Interlock Not Satisfied
Symptom
Multicooker trips the household circuit breaker or RCD when plugged in or when heating starts.
Electrical Short or Ground Fault
Symptom
Non-stick coating of the inner pot is peeling, scratched, or food sticks badly.
Inner Pot Non-Stick Coating Degradation
Symptom
Persistent unpleasant odor from inside the multicooker, even when not in use.
Odor Retention in Seals and Inner Pot
Symptom
Steam constantly escapes from the steam release valve and pressure never builds.
Steam Release Valve Not Sealing
Symptom
Steam or water leaking from around the lid during pressure cooking.
Lid Seal Leakage Under Pressure
Symptom
Strong burning smell or visible smoke from the multicooker during operation.
Overheating or Electrical Burning
Symptom
Timer or program ends too early or runs much longer than expected.
Timing / Control Logic Anomaly
Symptom
Unusual rattling, clicking, or grinding noise from inside the multicooker during operation.
Internal Mechanical Noise
Symptom
Water or condensation accumulates under the multicooker or on the countertop during use.
Condensation Management / Drainage Issue
Symptom
Water or foam spurts out of the steam valve during cooking, making a mess on the countertop.
Excessive Foaming / Boil-Over Through Valve
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Multicooker will not start cooking; display shows E1 shortly after pressing Start.
|
Lid Temperature Sensor Circuit Fault | View Details |
| E2 |
Multicooker beeps and shows E2; cooking does not start or stops shortly after heating begins.
|
Bottom Temperature Sensor (NTC) Fault | View Details |
| E3 |
Display shows E3 and the cooker stops heating or refuses to start high-temperature programs.
|
Overtemperature Protection Triggered (Overheat on Heating Plate) | View Details |
| E4 |
E4 appears on the display, often when using pressure or high-temperature frying modes.
|
Overpressure or Pressure Sensor Fault | View Details |
| E5 |
E5 error appears and the cooker stops heating or will not enter pressure mode.
|
Pressure Not Reached / Pressure Leakage | View Details |
| E6 |
E6 is displayed and the cooker does not heat or immediately cancels the program.
|
Heating Element Circuit Fault | View Details |
| E7 |
E7 appears intermittently, often when the cooker is moved or the inner pot is jostled.
|
Inner Pot Presence / Weight Sensor Fault | View Details |
| E8 |
E8 error appears and the cooker may shut down unexpectedly during operation.
|
Internal Power Supply or Voltage Error | View Details |
| E9 |
E9 is displayed and the cooker does not respond to program selection or heating commands.
|
Control Panel / Keypad Communication Error | View Details |
| Err |
Display shows 'Err' or 'Error' and the cooker refuses to start any program.
|
Generic System Error / Self-Test Failure | View Details |
| H2O |
Display shows 'H2O' or a water droplet icon and cooking is interrupted or will not start.
|
Low Water / Dry Pot Protection | View Details |
| Lid |
Display shows 'Lid' or a lid icon; cooker will not start pressure or high-heat programs.
|
Lid Lock / Lid Position Switch Fault | View Details |
| P1 |
P1 error appears when trying to start a pressure program; cooker does not build pressure.
|
Pressure Sensor Calibration Error | View Details |
| P2 |
P2 error appears during pressure cooking; cooker may release steam and stop the program.
|
Excessive Pressure Detected | View Details |
| U01 |
U01 or similar user code appears and the cooker refuses to start until cleared.
|
User Lock / Child Lock Activated | View Details |
| U02 |
U02 or similar code appears when trying to start a program with the lid open.
|
Open Lid Safety Interlock | View Details |
| – |
Buttons or touch keys on the control panel do not respond or respond intermittently.
|
Keypad / Touch Sensor Failure | View Details |
| – |
Display is dim, flickering, or some segments/LEDs do not light.
|
Display Module or Backlight Failure | View Details |
| – |
Fan noise from the side or bottom of the multicooker is very loud or fan does not run at all.
|
Cooling Fan Failure or Obstruction | View Details |
| – |
Keep Warm function overheats food, causing it to dry out or burn.
|
Keep Warm Temperature Too High | View Details |
| – |
Lid does not lock or build pressure; float valve never rises during pressure cooking.
|
Float Valve Not Sealing or Rising | View Details |
| – |
Lid is stuck and will not open after cooking; float valve appears to be down.
|
Mechanical Lid Jam After Cooking | View Details |
| – |
Liquid appears to leak from the bottom of the multicooker, not just from the condensation cup.
|
Internal Leak from Inner Pot or Valve Area | View Details |
| – |
Loud banging or popping sounds during heating or pressure cooking.
|
Inner Pot Movement / Steam Bubble Collapse | View Details |
| – |
Multicooker does not power on at all; no lights or display when plugged in.
|
No Power / Dead Appliance | View Details |
| – |
Multicooker heats very slowly or never reaches the set temperature; food remains undercooked.
|
Reduced Heating Output | View Details |
| – |
Multicooker overheats; food burns on the bottom even on normal programs.
|
Temperature Regulation Failure (Runs Too Hot) | View Details |
| – |
Multicooker powers on but will not start any cooking program; pressing Start does nothing or beeps only.
|
Start Inhibit / Safety Interlock Not Satisfied | View Details |
| – |
Multicooker trips the household circuit breaker or RCD when plugged in or when heating starts.
|
Electrical Short or Ground Fault | View Details |
| – |
Non-stick coating of the inner pot is peeling, scratched, or food sticks badly.
|
Inner Pot Non-Stick Coating Degradation | View Details |
| – |
Persistent unpleasant odor from inside the multicooker, even when not in use.
|
Odor Retention in Seals and Inner Pot | View Details |
| – |
Steam constantly escapes from the steam release valve and pressure never builds.
|
Steam Release Valve Not Sealing | View Details |
| – |
Steam or water leaking from around the lid during pressure cooking.
|
Lid Seal Leakage Under Pressure | View Details |
| – |
Strong burning smell or visible smoke from the multicooker during operation.
|
Overheating or Electrical Burning | View Details |
| – |
Timer or program ends too early or runs much longer than expected.
|
Timing / Control Logic Anomaly | View Details |
| – |
Unusual rattling, clicking, or grinding noise from inside the multicooker during operation.
|
Internal Mechanical Noise | View Details |
| – |
Water or condensation accumulates under the multicooker or on the countertop during use.
|
Condensation Management / Drainage Issue | View Details |
| – |
Water or foam spurts out of the steam valve during cooking, making a mess on the countertop.
|
Excessive Foaming / Boil-Over Through Valve | View Details |
No matching codes found
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