Brock
Brock 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 does not start a program and displays E0 immediately after pressing START.
Inner Pot Not Detected / Lid Not Properly Seated
E1
Multicooker beeps and shows E1 shortly after power-on or when starting any cooking program.
Bottom Temperature Sensor (NTC) Open Circuit
E2
Multicooker displays E2 and will not start or stops mid‑cycle.
Bottom Temperature Sensor (NTC) Short Circuit / Overtemperature Detection
E3
E3 error appears during preheating or pressure build‑up and the cooker stops heating.
Overtemperature / Dry Pot Protection
E4
E4 error appears when trying to use pressure cooking modes (e.g., STEW, BEANS, MEAT) and the unit aborts.
Pressure Sensor Fault / Pressure Not Detected
E5
E5 error appears during pressure cooking; cooker beeps and stops, sometimes with excessive steam release.
Overpressure / Pressure Sensor High Reading
E6
E6 error appears and the cooker refuses to start any program, sometimes after a power surge.
Internal Control PCB Fault / Relay or Power Circuit Error
E7
E7 error appears when trying to start a program; display and buttons work but heating never starts.
Heating Element Circuit Open / Heater Not Detected
E8
E8 error appears during operation, often accompanied by unusual temperature behavior (overheating or underheating).
Lid Temperature Sensor Fault (for models with dual sensors)
E9
E9 error appears and the cooker shuts down, sometimes after long cooking sessions.
Overheat Protection / Thermal Fuse Triggered
Err
Display shows Err or ERROR and beeps; no specific numeric code is shown.
Generic Control Error / Program Logic Fault
H2O
Display shows H2O or a water droplet icon and the cooker stops heating.
Low Water / Dry Cooking Protection
LID
Display shows LID or a flashing lid icon and the cooker will not start pressure or high‑temperature programs.
Lid Not Locked / Lid Lock Switch Fault
POT
Display shows POT or a pot icon and the cooker will not start.
Inner Pot Not Detected / Pot Presence Switch Fault
U01
U01 appears and the cooker will not enter pressure mode, often after a previous boil‑over.
Steam Release Valve Not in Correct Position
U02
U02 appears and the cooker beeps repeatedly, usually when trying to open the lid after cooking.
Lid Unlock Attempt Under Pressure
U03
U03 appears and the cooker cancels the program shortly after starting.
Abnormal Pressure Rise / Preheat Timeout
Symptom
Buttons are hard to press or do not click properly; some functions only work when pressing very hard.
Mechanical Button Wear / Sticking
Symptom
Display and lights flicker or reset during cooking; cooker may stop and restart unexpectedly.
Intermittent Power / Voltage Drop
Symptom
Display is very dim or segments are missing, but the cooker still heats and cooks.
Display Module Degradation
Symptom
Float valve does not rise during pressure cooking, or remains stuck in the up position after cooking.
Stuck Float Valve
Symptom
Inner pot rocks or tilts when pressed on one side; food may cook unevenly.
Uneven Pot Support / Deformed Heating Plate
Symptom
Keep Warm function overheats food, causing it to dry out or burn on the bottom.
Keep Warm Temperature Too High
Symptom
Loud hissing, whistling, or rattling noises from the steam release valve during pressure cooking.
Abnormal Steam Release / Valve Chatter
Symptom
Multicooker does not power on at all; display is blank and no lights or sounds occur.
No Power / Dead Appliance
Symptom
Multicooker heats but cannot reach or maintain pressure; steam constantly escapes from the lid area.
Cannot Build Pressure / Steam Leak
Symptom
Multicooker makes clicking or popping sounds frequently during operation.
Thermal Expansion / Relay Cycling Noise
Symptom
Multicooker powers on but will not start any program when pressing START; no error code is shown.
Start Button / Keypad Failure
Symptom
Multicooker shuts off unexpectedly in the middle of a cooking program without any error code.
Thermal Cutout / Intermittent Power Loss
Symptom
Multicooker starts but does not heat; food remains cold or lukewarm even after the program time completes.
No Heating / Heater Not Energizing
Symptom
Multicooker vibrates excessively or moves slightly on the countertop during boiling or pressure release.
Excessive Vibration / Instability
Symptom
Rice or grains are consistently undercooked or overcooked when using the automatic RICE program.
Inaccurate Cooking Program / Sensor Miscalibration
Symptom
Steam or water leaks from around the lid hinge or side of the lid during cooking.
Lid Gasket or Lid Body Leak
Symptom
Strong unpleasant odor from inside the multicooker, even when empty or after cleaning.
Persistent Odor / Contamination
Symptom
Unusual burning smell during cooking; food often sticks or burns on the bottom of the inner pot.
Scorching / Localized Overheating
Symptom
Visible rust spots or discoloration on the inner pot or heating plate.
Corrosion / Surface Damage
Symptom
Water or starchy liquid drips from the sides or bottom of the multicooker onto the countertop during or after cooking.
External Leakage / Condensation Management Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E0 |
Multicooker does not start a program and displays E0 immediately after pressing START.
|
Inner Pot Not Detected / Lid Not Properly Seated | View Details |
| E1 |
Multicooker beeps and shows E1 shortly after power-on or when starting any cooking program.
|
Bottom Temperature Sensor (NTC) Open Circuit | View Details |
| E2 |
Multicooker displays E2 and will not start or stops mid‑cycle.
|
Bottom Temperature Sensor (NTC) Short Circuit / Overtemperature Detection | View Details |
| E3 |
E3 error appears during preheating or pressure build‑up and the cooker stops heating.
|
Overtemperature / Dry Pot Protection | View Details |
| E4 |
E4 error appears when trying to use pressure cooking modes (e.g., STEW, BEANS, MEAT) and the unit aborts.
|
Pressure Sensor Fault / Pressure Not Detected | View Details |
| E5 |
E5 error appears during pressure cooking; cooker beeps and stops, sometimes with excessive steam release.
|
Overpressure / Pressure Sensor High Reading | View Details |
| E6 |
E6 error appears and the cooker refuses to start any program, sometimes after a power surge.
|
Internal Control PCB Fault / Relay or Power Circuit Error | View Details |
| E7 |
E7 error appears when trying to start a program; display and buttons work but heating never starts.
|
Heating Element Circuit Open / Heater Not Detected | View Details |
| E8 |
E8 error appears during operation, often accompanied by unusual temperature behavior (overheating or underheating).
|
Lid Temperature Sensor Fault (for models with dual sensors) | View Details |
| E9 |
E9 error appears and the cooker shuts down, sometimes after long cooking sessions.
|
Overheat Protection / Thermal Fuse Triggered | View Details |
| Err |
Display shows Err or ERROR and beeps; no specific numeric code is shown.
|
Generic Control Error / Program Logic Fault | View Details |
| H2O |
Display shows H2O or a water droplet icon and the cooker stops heating.
|
Low Water / Dry Cooking Protection | View Details |
| LID |
Display shows LID or a flashing lid icon and the cooker will not start pressure or high‑temperature programs.
|
Lid Not Locked / Lid Lock Switch Fault | View Details |
| POT |
Display shows POT or a pot icon and the cooker will not start.
|
Inner Pot Not Detected / Pot Presence Switch Fault | View Details |
| U01 |
U01 appears and the cooker will not enter pressure mode, often after a previous boil‑over.
|
Steam Release Valve Not in Correct Position | View Details |
| U02 |
U02 appears and the cooker beeps repeatedly, usually when trying to open the lid after cooking.
|
Lid Unlock Attempt Under Pressure | View Details |
| U03 |
U03 appears and the cooker cancels the program shortly after starting.
|
Abnormal Pressure Rise / Preheat Timeout | View Details |
| – |
Buttons are hard to press or do not click properly; some functions only work when pressing very hard.
|
Mechanical Button Wear / Sticking | View Details |
| – |
Display and lights flicker or reset during cooking; cooker may stop and restart unexpectedly.
|
Intermittent Power / Voltage Drop | View Details |
| – |
Display is very dim or segments are missing, but the cooker still heats and cooks.
|
Display Module Degradation | View Details |
| – |
Float valve does not rise during pressure cooking, or remains stuck in the up position after cooking.
|
Stuck Float Valve | View Details |
| – |
Inner pot rocks or tilts when pressed on one side; food may cook unevenly.
|
Uneven Pot Support / Deformed Heating Plate | View Details |
| – |
Keep Warm function overheats food, causing it to dry out or burn on the bottom.
|
Keep Warm Temperature Too High | View Details |
| – |
Loud hissing, whistling, or rattling noises from the steam release valve during pressure cooking.
|
Abnormal Steam Release / Valve Chatter | View Details |
| – |
Multicooker does not power on at all; display is blank and no lights or sounds occur.
|
No Power / Dead Appliance | View Details |
| – |
Multicooker heats but cannot reach or maintain pressure; steam constantly escapes from the lid area.
|
Cannot Build Pressure / Steam Leak | View Details |
| – |
Multicooker makes clicking or popping sounds frequently during operation.
|
Thermal Expansion / Relay Cycling Noise | View Details |
| – |
Multicooker powers on but will not start any program when pressing START; no error code is shown.
|
Start Button / Keypad Failure | View Details |
| – |
Multicooker shuts off unexpectedly in the middle of a cooking program without any error code.
|
Thermal Cutout / Intermittent Power Loss | View Details |
| – |
Multicooker starts but does not heat; food remains cold or lukewarm even after the program time completes.
|
No Heating / Heater Not Energizing | View Details |
| – |
Multicooker vibrates excessively or moves slightly on the countertop during boiling or pressure release.
|
Excessive Vibration / Instability | View Details |
| – |
Rice or grains are consistently undercooked or overcooked when using the automatic RICE program.
|
Inaccurate Cooking Program / Sensor Miscalibration | View Details |
| – |
Steam or water leaks from around the lid hinge or side of the lid during cooking.
|
Lid Gasket or Lid Body Leak | View Details |
| – |
Strong unpleasant odor from inside the multicooker, even when empty or after cleaning.
|
Persistent Odor / Contamination | View Details |
| – |
Unusual burning smell during cooking; food often sticks or burns on the bottom of the inner pot.
|
Scorching / Localized Overheating | View Details |
| – |
Visible rust spots or discoloration on the inner pot or heating plate.
|
Corrosion / Surface Damage | View Details |
| – |
Water or starchy liquid drips from the sides or bottom of the multicooker onto the countertop during or after cooking.
|
External Leakage / Condensation Management Issue | View Details |
No matching codes found
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