ProCook
ProCook Multicookers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E0
Multicooker will not start a program and briefly shows E0 on the display when you press Start.
Lid Not Detected / Lid Switch Open
E1
E1 appears shortly after starting a cooking program and the multicooker stops heating.
Open or Disconnected Temperature Sensor (NTC)
E10
E10 appears when trying to start a delayed timer or keep-warm function.
Real-Time Clock / Timer Circuit Error
E2
E2 error appears during preheat or mid-cooking and the unit shuts off heating.
Shorted Temperature Sensor (NTC) or Overheat Detection
E3
E3 displays and the multicooker beeps, refusing to start or continue cooking.
Overtemperature / Dry Pot Protection
E4
E4 appears when trying to use pressure cooking modes; the cooker does not build pressure.
Pressure Sensor Fault or Pressure Not Reached
E5
E5 error appears and the cooker stops heating during a pressure cycle.
Overpressure / Pressure Sensor High Reading
E6
E6 shows on the display and the cooker will not start any program.
Heating Element Circuit Fault
E7
E7 appears intermittently, especially when using high-temperature sauté or fry modes.
Overheat Protection / Thermal Fuse Trip
E8
E8 error appears and the cooker does not respond to button presses properly.
Control Panel / Keypad Communication Error
E9
E9 displays and the cooker shuts down shortly after starting, sometimes with a faint burning smell.
Main PCB Power Supply Fault
Err
Display shows 'Err' with beeping and no specific code; cooker will not start.
Generic System Error / Firmware Fault
F1
F1 error appears immediately after powering on the multicooker.
Upper Lid Temperature Sensor Fault
F2
F2 error appears during keep-warm or low-temperature cooking modes.
Lower Temperature Sensor Out of Range
F3
F3 error appears randomly and cancels the cooking program.
Intermittent Sensor or Wiring Fault
F4
F4 error appears when switching between modes or adjusting temperature.
Mode Selector / Function Logic Error
F5
F5 error appears when the cooker attempts to switch to keep-warm after cooking.
Keep-Warm Circuit / Relay Fault
F6
F6 error appears when using high-pressure or high-temperature programs.
Secondary Overheat / Backup Thermostat Trip
F7
F7 error appears and the cooker does not heat, though the display works normally.
Heater Drive Circuit Failure
F8
F8 error appears when attempting to start any program after a power outage.
Non-Volatile Memory / Configuration Error
F9
F9 error appears and the display may flicker or dim.
Low Voltage / Brownout Detection
H2O
Display shows 'H2O' or a water droplet icon and the cooker stops heating.
Low Water / Dry Cook Protection
LID
Display shows 'LID' or a lid icon and the cooker will not start pressure or rice programs.
Lid Lock Not Engaged / Lid Position Error
POT
Display shows 'POT' or a pot icon and the cooker refuses to start heating.
Inner Pot Not Detected
Symptom
Buttons are hard to press or do not click properly; some functions only work when pressing very hard.
Worn or Contaminated Keypad
Symptom
Condensation or water collects under the lid and drips back onto the countertop when opening.
Condensation Management / Drip Control Issue
Symptom
Display segments are missing, dim, or flickering, but the cooker still heats.
Display / LED Module Fault
Symptom
Float valve does not rise during pressure cooking; cooker times out or food is undercooked.
Float Valve / Pressure Lock Failure
Symptom
Inner pot non-stick coating is peeling, scratched, or flaking; food sticks badly.
Inner Pot Coating Degradation
Symptom
Keep-warm function overheats food, causing it to dry out or burn around the edges.
Keep-Warm Temperature Too High
Symptom
Lid is stuck and will not open after cooking; float valve appears down but lid remains locked.
Mechanical Lid Lock Jam
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.
Weak Heating / Partial Heater Failure
Symptom
Multicooker overheats and burns food on the bottom while the top remains undercooked.
Temperature Regulation / Sensor Miscalibration
Symptom
Multicooker powers on but will not start any program; pressing Start does nothing and no error code is shown.
Start Circuit / Keypad Failure
Symptom
Multicooker vibrates excessively or moves slightly on the countertop during pressure release or boiling.
Excessive Vibration / Instability
Symptom
Persistent unpleasant odor from the multicooker, even when empty or after cleaning.
Odor Retention / Contamination
Symptom
Steam constantly vents from the steam release valve during pressure cooking and pressure never builds.
Steam Release Valve Not Sealing
Symptom
Steam or water leaking from around the lid during pressure cooking; cooker struggles to reach or maintain pressure.
Lid Seal / Gasket Failure
Symptom
Strong burning smell or visible smoke from the multicooker during use.
Overheating / Electrical or Food Burn
Symptom
Timer or clock runs too fast or too slow, causing recipes to be over- or undercooked.
Timer / Clock Inaccuracy
Symptom
Unusual loud clicking, buzzing, or humming noises from the multicooker during operation.
Mechanical or Electrical Noise Issue
Symptom
Water or starchy liquid drips from the sides or bottom of the multicooker during or after cooking.
External Leakage / Condensation Management Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E0 |
Multicooker will not start a program and briefly shows E0 on the display when you press Start.
|
Lid Not Detected / Lid Switch Open | View Details |
| E1 |
E1 appears shortly after starting a cooking program and the multicooker stops heating.
|
Open or Disconnected Temperature Sensor (NTC) | View Details |
| E10 |
E10 appears when trying to start a delayed timer or keep-warm function.
|
Real-Time Clock / Timer Circuit Error | View Details |
| E2 |
E2 error appears during preheat or mid-cooking and the unit shuts off heating.
|
Shorted Temperature Sensor (NTC) or Overheat Detection | View Details |
| E3 |
E3 displays and the multicooker beeps, refusing to start or continue cooking.
|
Overtemperature / Dry Pot Protection | View Details |
| E4 |
E4 appears when trying to use pressure cooking modes; the cooker does not build pressure.
|
Pressure Sensor Fault or Pressure Not Reached | View Details |
| E5 |
E5 error appears and the cooker stops heating during a pressure cycle.
|
Overpressure / Pressure Sensor High Reading | View Details |
| E6 |
E6 shows on the display and the cooker will not start any program.
|
Heating Element Circuit Fault | View Details |
| E7 |
E7 appears intermittently, especially when using high-temperature sauté or fry modes.
|
Overheat Protection / Thermal Fuse Trip | View Details |
| E8 |
E8 error appears and the cooker does not respond to button presses properly.
|
Control Panel / Keypad Communication Error | View Details |
| E9 |
E9 displays and the cooker shuts down shortly after starting, sometimes with a faint burning smell.
|
Main PCB Power Supply Fault | View Details |
| Err |
Display shows 'Err' with beeping and no specific code; cooker will not start.
|
Generic System Error / Firmware Fault | View Details |
| F1 |
F1 error appears immediately after powering on the multicooker.
|
Upper Lid Temperature Sensor Fault | View Details |
| F2 |
F2 error appears during keep-warm or low-temperature cooking modes.
|
Lower Temperature Sensor Out of Range | View Details |
| F3 |
F3 error appears randomly and cancels the cooking program.
|
Intermittent Sensor or Wiring Fault | View Details |
| F4 |
F4 error appears when switching between modes or adjusting temperature.
|
Mode Selector / Function Logic Error | View Details |
| F5 |
F5 error appears when the cooker attempts to switch to keep-warm after cooking.
|
Keep-Warm Circuit / Relay Fault | View Details |
| F6 |
F6 error appears when using high-pressure or high-temperature programs.
|
Secondary Overheat / Backup Thermostat Trip | View Details |
| F7 |
F7 error appears and the cooker does not heat, though the display works normally.
|
Heater Drive Circuit Failure | View Details |
| F8 |
F8 error appears when attempting to start any program after a power outage.
|
Non-Volatile Memory / Configuration Error | View Details |
| F9 |
F9 error appears and the display may flicker or dim.
|
Low Voltage / Brownout Detection | View Details |
| H2O |
Display shows 'H2O' or a water droplet icon and the cooker stops heating.
|
Low Water / Dry Cook Protection | View Details |
| LID |
Display shows 'LID' or a lid icon and the cooker will not start pressure or rice programs.
|
Lid Lock Not Engaged / Lid Position Error | View Details |
| POT |
Display shows 'POT' or a pot icon and the cooker refuses to start heating.
|
Inner Pot Not Detected | View Details |
| – |
Buttons are hard to press or do not click properly; some functions only work when pressing very hard.
|
Worn or Contaminated Keypad | View Details |
| – |
Condensation or water collects under the lid and drips back onto the countertop when opening.
|
Condensation Management / Drip Control Issue | View Details |
| – |
Display segments are missing, dim, or flickering, but the cooker still heats.
|
Display / LED Module Fault | View Details |
| – |
Float valve does not rise during pressure cooking; cooker times out or food is undercooked.
|
Float Valve / Pressure Lock Failure | View Details |
| – |
Inner pot non-stick coating is peeling, scratched, or flaking; food sticks badly.
|
Inner Pot Coating Degradation | View Details |
| – |
Keep-warm function overheats food, causing it to dry out or burn around the edges.
|
Keep-Warm Temperature Too High | View Details |
| – |
Lid is stuck and will not open after cooking; float valve appears down but lid remains locked.
|
Mechanical Lid Lock Jam | 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.
|
Weak Heating / Partial Heater Failure | View Details |
| – |
Multicooker overheats and burns food on the bottom while the top remains undercooked.
|
Temperature Regulation / Sensor Miscalibration | View Details |
| – |
Multicooker powers on but will not start any program; pressing Start does nothing and no error code is shown.
|
Start Circuit / Keypad Failure | View Details |
| – |
Multicooker vibrates excessively or moves slightly on the countertop during pressure release or boiling.
|
Excessive Vibration / Instability | View Details |
| – |
Persistent unpleasant odor from the multicooker, even when empty or after cleaning.
|
Odor Retention / Contamination | View Details |
| – |
Steam constantly vents from the steam release valve during pressure cooking and pressure never builds.
|
Steam Release Valve Not Sealing | View Details |
| – |
Steam or water leaking from around the lid during pressure cooking; cooker struggles to reach or maintain pressure.
|
Lid Seal / Gasket Failure | View Details |
| – |
Strong burning smell or visible smoke from the multicooker during use.
|
Overheating / Electrical or Food Burn | View Details |
| – |
Timer or clock runs too fast or too slow, causing recipes to be over- or undercooked.
|
Timer / Clock Inaccuracy | View Details |
| – |
Unusual loud clicking, buzzing, or humming noises from the multicooker during operation.
|
Mechanical or Electrical Noise Issue | View Details |
| – |
Water or starchy liquid drips from the sides or bottom of the multicooker during or after cooking.
|
External Leakage / Condensation Management Failure | View Details |
No matching codes found
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