Zojirushi
Zojirushi Multicookers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Multicooker will not start cooking; display shows E01 shortly after pressing START.
Lid Not Locked / Lid Switch Fault
E02
Multicooker beeps and shows E02; cooking does not start or stops immediately.
Inner Pan Not Detected / Pan Sensor Fault
E03
Unit displays E03 and stops heating shortly after start.
Overheat Protection / Dry-Boil Detection
E04
Display shows E04 and the cooker will not start or stops mid-cycle.
Temperature Sensor (Thermistor) Fault
E05
E05 appears and the cooker stops; may occur during keep-warm or slow-cook modes.
Upper Lid Temperature Sensor Fault
E06
E06 error on display; unit may not respond to cooking commands.
Ambient Temperature / Internal Board Overheat Fault
E07
E07 appears and the cooker will not start pressure or high-heat modes.
Pressure Sensor / Pressure System Fault (pressure-capable models)
E08
E08 error; unit may beep continuously and refuse to start.
Keypad / Control Panel Communication Fault
E09
E09 appears during or after a cooking cycle; unit may shut off unexpectedly.
Power Supply / Voltage Detection Fault
H01
Display shows H01 and the unit will not start a new cooking cycle.
High Temperature Lockout (Unit Too Hot to Restart)
H02
H02 appears and the cooker stops heating or cannot maintain keep-warm temperature.
Low Temperature / Heating Failure Detection
U01
U01 appears and the unit beeps; lid may not be closed properly.
User Error – Lid Open During Cooking Start
U02
U02 appears; cooker refuses to start pressure or high-heat modes.
User Error – Pressure System Not Assembled Correctly
U03
U03 appears and the unit will not start; often occurs when the inner pan is missing.
User Error – Inner Pan Not Installed
Symptom
Buttons on the control panel are unresponsive or require very hard presses.
Keypad / Button Failure
Symptom
Condensation or water accumulates excessively around the base or on the countertop after cooking.
Condensation Management Issue
Symptom
Cooking takes much longer than usual; timer counts down slowly or extends automatically.
Extended Cooking Time / Slow Heating
Symptom
Display is dim, flickering, or some segments are missing, but the unit still heats.
Display / LCD Failure
Symptom
Inner pan coating is peeling, flaking, or heavily scratched; food sticks badly.
Inner Pan Nonstick Coating Failure
Symptom
Keep-warm mode does not keep food hot enough; food is lukewarm or cool.
Keep-Warm Temperature Too Low
Symptom
Keep-warm mode overheats food, drying it out or burning the bottom.
Keep-Warm Temperature Too High
Symptom
Lid does not stay closed or pops open slightly during cooking.
Lid Latch / Spring Failure
Symptom
Lid is difficult to open after cooking; feels stuck even after pressure should be released.
Lid Sticking / Residual Pressure or Vacuum
Symptom
Multicooker does not power on at all; no lights or display when plugged in.
No Power / Dead Unit
Symptom
Multicooker heats but does not reach proper cooking temperature; food remains undercooked even after full cycle.
Insufficient Heating / Weak Heater Output
Symptom
Persistent sour, musty, or rancid odor from inside the cooker even after normal cleaning.
Odor Retention / Bacterial Growth
Symptom
Preset timer cooking does not start at the programmed time or finishes at the wrong time.
Preset / Timer Function Malfunction
Symptom
Rattling or vibration noises from the lid area during boiling or pressure cooking.
Lid Rattle / Loose Lid Components
Symptom
Steam and liquid sputter excessively from the steam vent, making a mess on the countertop.
Excessive Boil-Over / Vent Sputtering
Symptom
Steam escapes continuously from around the lid instead of mainly from the steam vent.
Lid Seal Failure / Poor Pressure Retention
Symptom
Strong burnt smell or visible smoke from the steam vent or lid area during cooking.
Burning / Scorching of Food
Symptom
Timer or clock loses time or resets unexpectedly between uses.
Clock / Memory Retention Issue
Symptom
Unit overheats; rice burns on the bottom or food scorches frequently, even on normal settings.
Overheating / Temperature Regulation Failure
Symptom
Unit powers on but will not start cooking; pressing START does nothing or beeps without starting, and no error code is shown.
Start Circuit / Safety Interlock Not Engaging
Symptom
Unit shuts off unexpectedly in the middle of a cooking cycle without any error code.
Intermittent Power Loss / Thermal Cutout
Symptom
Unusual loud clicking, popping, or buzzing noises during heating.
Abnormal Operating Noise
Symptom
Water or starchy liquid leaks from the sides or bottom of the multicooker during cooking.
External Leakage
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Multicooker will not start cooking; display shows E01 shortly after pressing START.
|
Lid Not Locked / Lid Switch Fault | View Details |
| E02 |
Multicooker beeps and shows E02; cooking does not start or stops immediately.
|
Inner Pan Not Detected / Pan Sensor Fault | View Details |
| E03 |
Unit displays E03 and stops heating shortly after start.
|
Overheat Protection / Dry-Boil Detection | View Details |
| E04 |
Display shows E04 and the cooker will not start or stops mid-cycle.
|
Temperature Sensor (Thermistor) Fault | View Details |
| E05 |
E05 appears and the cooker stops; may occur during keep-warm or slow-cook modes.
|
Upper Lid Temperature Sensor Fault | View Details |
| E06 |
E06 error on display; unit may not respond to cooking commands.
|
Ambient Temperature / Internal Board Overheat Fault | View Details |
| E07 |
E07 appears and the cooker will not start pressure or high-heat modes.
|
Pressure Sensor / Pressure System Fault (pressure-capable models) | View Details |
| E08 |
E08 error; unit may beep continuously and refuse to start.
|
Keypad / Control Panel Communication Fault | View Details |
| E09 |
E09 appears during or after a cooking cycle; unit may shut off unexpectedly.
|
Power Supply / Voltage Detection Fault | View Details |
| H01 |
Display shows H01 and the unit will not start a new cooking cycle.
|
High Temperature Lockout (Unit Too Hot to Restart) | View Details |
| H02 |
H02 appears and the cooker stops heating or cannot maintain keep-warm temperature.
|
Low Temperature / Heating Failure Detection | View Details |
| U01 |
U01 appears and the unit beeps; lid may not be closed properly.
|
User Error – Lid Open During Cooking Start | View Details |
| U02 |
U02 appears; cooker refuses to start pressure or high-heat modes.
|
User Error – Pressure System Not Assembled Correctly | View Details |
| U03 |
U03 appears and the unit will not start; often occurs when the inner pan is missing.
|
User Error – Inner Pan Not Installed | View Details |
| – |
Buttons on the control panel are unresponsive or require very hard presses.
|
Keypad / Button Failure | View Details |
| – |
Condensation or water accumulates excessively around the base or on the countertop after cooking.
|
Condensation Management Issue | View Details |
| – |
Cooking takes much longer than usual; timer counts down slowly or extends automatically.
|
Extended Cooking Time / Slow Heating | View Details |
| – |
Display is dim, flickering, or some segments are missing, but the unit still heats.
|
Display / LCD Failure | View Details |
| – |
Inner pan coating is peeling, flaking, or heavily scratched; food sticks badly.
|
Inner Pan Nonstick Coating Failure | View Details |
| – |
Keep-warm mode does not keep food hot enough; food is lukewarm or cool.
|
Keep-Warm Temperature Too Low | View Details |
| – |
Keep-warm mode overheats food, drying it out or burning the bottom.
|
Keep-Warm Temperature Too High | View Details |
| – |
Lid does not stay closed or pops open slightly during cooking.
|
Lid Latch / Spring Failure | View Details |
| – |
Lid is difficult to open after cooking; feels stuck even after pressure should be released.
|
Lid Sticking / Residual Pressure or Vacuum | View Details |
| – |
Multicooker does not power on at all; no lights or display when plugged in.
|
No Power / Dead Unit | View Details |
| – |
Multicooker heats but does not reach proper cooking temperature; food remains undercooked even after full cycle.
|
Insufficient Heating / Weak Heater Output | View Details |
| – |
Persistent sour, musty, or rancid odor from inside the cooker even after normal cleaning.
|
Odor Retention / Bacterial Growth | View Details |
| – |
Preset timer cooking does not start at the programmed time or finishes at the wrong time.
|
Preset / Timer Function Malfunction | View Details |
| – |
Rattling or vibration noises from the lid area during boiling or pressure cooking.
|
Lid Rattle / Loose Lid Components | View Details |
| – |
Steam and liquid sputter excessively from the steam vent, making a mess on the countertop.
|
Excessive Boil-Over / Vent Sputtering | View Details |
| – |
Steam escapes continuously from around the lid instead of mainly from the steam vent.
|
Lid Seal Failure / Poor Pressure Retention | View Details |
| – |
Strong burnt smell or visible smoke from the steam vent or lid area during cooking.
|
Burning / Scorching of Food | View Details |
| – |
Timer or clock loses time or resets unexpectedly between uses.
|
Clock / Memory Retention Issue | View Details |
| – |
Unit overheats; rice burns on the bottom or food scorches frequently, even on normal settings.
|
Overheating / Temperature Regulation Failure | View Details |
| – |
Unit powers on but will not start cooking; pressing START does nothing or beeps without starting, and no error code is shown.
|
Start Circuit / Safety Interlock Not Engaging | View Details |
| – |
Unit shuts off unexpectedly in the middle of a cooking cycle without any error code.
|
Intermittent Power Loss / Thermal Cutout | View Details |
| – |
Unusual loud clicking, popping, or buzzing noises during heating.
|
Abnormal Operating Noise | View Details |
| – |
Water or starchy liquid leaks from the sides or bottom of the multicooker during cooking.
|
External Leakage | View Details |
No matching codes found
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