Panasonic Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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H01
Freezer does not start, display shows H01, and the compressor never runs.
Compressor Start Circuit Failure
H02
Freezer shows H02, and the interior temperature rises above the setpoint.
Freezer Compartment Sensor (Thermistor) Failure
H03
H03 displayed, freezer runs erratically or not at all.
Ambient Temperature Sensor Failure
H04
H04 error, compressor stops frequently, and the freezer cannot reach a low temperature.
Evaporator Sensor / Defrost Sensor Failure
H05
H05 displayed, compressor and fans stop; the unit may not restart.
Main Control PCB Overheat / Power Supply Fault
H11
H11 error, compressor and fan do not run; the display may still be lit.
Communication Error Between Main PCB and Inverter PCB
H21
H21 error, the compressor runs briefly then stops, and the freezer warms.
Compressor Overload / Lock Rotor Detection
H23
H23 displayed, freezer temperature unstable, and may overcool or undercool.
Defrost Heater Circuit Fault
H25
H25 error, evaporator fan does not run, frost builds up unevenly.
Evaporator Fan Motor Fault
H27
H27 displayed, condenser fan not operating, compressor runs hot.
Condenser Fan Motor Fault
H31
H31 error, freezer interior light and display may flicker, unit may not cool.
Door Switch / Door Sensor Fault
H32
H32 error, alarm sounds frequently even when the door is closed.
Door Open Alarm Circuit Fault
H41
H41 error, freezer temperature display shows dashes or unrealistic values.
Display Panel Communication / Keypad Fault
H51
H51 error, compressor runs continuously but the freezer does not reach the set temperature.
Refrigerant System Performance Fault
H61
H61 error, high temperature alarm active, compressor may be off.
High Temperature Protection / Overheat Fault
H71
H71 error, defrost cycle does not complete properly, ice buildup on the evaporator.
Defrost Sensor / Heater Feedback Fault
H81
H81 error, freezer beeps and may not respond to button presses.
Control Panel Key Input Error
H91
H91 error, power failure alarm or memory error after an outage.
Non-Volatile Memory / Power Failure Detection Fault
Symptom
Clicking sound every few minutes; the compressor tries to start but fails
Compressor Start Failure
Symptom
Condensation or water droplets forming around the door gasket or on exterior surfaces
Condensation / Poor Door Seal
Symptom
Control panel unresponsive; buttons do not change settings, but the display is lit.
Keypad / Control Lock Issue
Symptom
Display is completely blank, but the freezer is cooling normally.
Display Power / Backlight Failure
Symptom
Excessive frost buildup on interior walls and food packages.
Air Infiltration / Gasket Leak
Symptom
Freezer beeping or alarm sounding even though the temperature seems normal.
False Alarm / Sensor or Control Glitch
Symptom
Freezer interior light not working, but cooling is normal.
Interior LED / Door Switch Failure
Symptom
Freezer intermittently stops cooling, then starts again after some time.
Intermittent Compressor Operation
Symptom
Freezer leaking water onto the floor at the front or rear.
Defrost Drain Blockage
Symptom
Freezer not cooling at all, no compressor or fan noise, display off.
No Power / Main Supply Failure
Symptom
Freezer overcooling; food is freezing harder than usual, and the temperature is below the setpoint.
Thermostat / Sensor Miscalibration
Symptom
Freezer runs but does not get cold enough; the temperature is only slightly below room temperature.
Compressor Running but No Cooling
Symptom
Freezer runs continuously and rarely shuts off, but the temperature is acceptable.
Long Run Time / Inefficient Operation
Symptom
Freezer trips household circuit breaker when the compressor starts.
High Inrush Current / Electrical Short
Symptom
Freezer will not start after being transported or moved.
Post-Transport Protection / Oil Migration
Symptom
Ice buildup on the evaporator coil causing poor cooling and fan noise.
Defrost System Failure
Symptom
Loud buzzing or humming noise from the compressor area
Compressor or Inverter Noise
Symptom
Rattling or vibrating noise when the compressor is running
Cabinet Vibration / Loose Components
Symptom
The freezer door is difficult to open immediately after closing
Vacuum Lock / Normal Pressure Equalization
Symptom
The freezer door is not closing properly or pops open after closing
Door Alignment / Hinge or Gasket Issue
Symptom
The freezer emits a strong chemical or burning smell
Electrical Overheating or Insulation Odor
Symptom
The freezer has a persistent musty or moldy odor inside
Interior Contamination / Drain Odor
Symptom
The freezer interior temperature fluctuates widely, causing soft and hard spots in food
Airflow / Load Distribution Problem
Symptom
The freezer makes a high-pitched whine or squeal from the fan area
Fan Motor Bearing Wear
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| H01 |
Freezer does not start, display shows H01, and the compressor never runs.
|
Compressor Start Circuit Failure | View Details |
| H02 |
Freezer shows H02, and the interior temperature rises above the setpoint.
|
Freezer Compartment Sensor (Thermistor) Failure | View Details |
| H03 |
H03 displayed, freezer runs erratically or not at all.
|
Ambient Temperature Sensor Failure | View Details |
| H04 |
H04 error, compressor stops frequently, and the freezer cannot reach a low temperature.
|
Evaporator Sensor / Defrost Sensor Failure | View Details |
| H05 |
H05 displayed, compressor and fans stop; the unit may not restart.
|
Main Control PCB Overheat / Power Supply Fault | View Details |
| H11 |
H11 error, compressor and fan do not run; the display may still be lit.
|
Communication Error Between Main PCB and Inverter PCB | View Details |
| H21 |
H21 error, the compressor runs briefly then stops, and the freezer warms.
|
Compressor Overload / Lock Rotor Detection | View Details |
| H23 |
H23 displayed, freezer temperature unstable, and may overcool or undercool.
|
Defrost Heater Circuit Fault | View Details |
| H25 |
H25 error, evaporator fan does not run, frost builds up unevenly.
|
Evaporator Fan Motor Fault | View Details |
| H27 |
H27 displayed, condenser fan not operating, compressor runs hot.
|
Condenser Fan Motor Fault | View Details |
| H31 |
H31 error, freezer interior light and display may flicker, unit may not cool.
|
Door Switch / Door Sensor Fault | View Details |
| H32 |
H32 error, alarm sounds frequently even when the door is closed.
|
Door Open Alarm Circuit Fault | View Details |
| H41 |
H41 error, freezer temperature display shows dashes or unrealistic values.
|
Display Panel Communication / Keypad Fault | View Details |
| H51 |
H51 error, compressor runs continuously but the freezer does not reach the set temperature.
|
Refrigerant System Performance Fault | View Details |
| H61 |
H61 error, high temperature alarm active, compressor may be off.
|
High Temperature Protection / Overheat Fault | View Details |
| H71 |
H71 error, defrost cycle does not complete properly, ice buildup on the evaporator.
|
Defrost Sensor / Heater Feedback Fault | View Details |
| H81 |
H81 error, freezer beeps and may not respond to button presses.
|
Control Panel Key Input Error | View Details |
| H91 |
H91 error, power failure alarm or memory error after an outage.
|
Non-Volatile Memory / Power Failure Detection Fault | View Details |
| – |
Clicking sound every few minutes; the compressor tries to start but fails
|
Compressor Start Failure | View Details |
| – |
Condensation or water droplets forming around the door gasket or on exterior surfaces
|
Condensation / Poor Door Seal | View Details |
| – |
Control panel unresponsive; buttons do not change settings, but the display is lit.
|
Keypad / Control Lock Issue | View Details |
| – |
Display is completely blank, but the freezer is cooling normally.
|
Display Power / Backlight Failure | View Details |
| – |
Excessive frost buildup on interior walls and food packages.
|
Air Infiltration / Gasket Leak | View Details |
| – |
Freezer beeping or alarm sounding even though the temperature seems normal.
|
False Alarm / Sensor or Control Glitch | View Details |
| – |
Freezer interior light not working, but cooling is normal.
|
Interior LED / Door Switch Failure | View Details |
| – |
Freezer intermittently stops cooling, then starts again after some time.
|
Intermittent Compressor Operation | View Details |
| – |
Freezer leaking water onto the floor at the front or rear.
|
Defrost Drain Blockage | View Details |
| – |
Freezer not cooling at all, no compressor or fan noise, display off.
|
No Power / Main Supply Failure | View Details |
| – |
Freezer overcooling; food is freezing harder than usual, and the temperature is below the setpoint.
|
Thermostat / Sensor Miscalibration | View Details |
| – |
Freezer runs but does not get cold enough; the temperature is only slightly below room temperature.
|
Compressor Running but No Cooling | View Details |
| – |
Freezer runs continuously and rarely shuts off, but the temperature is acceptable.
|
Long Run Time / Inefficient Operation | View Details |
| – |
Freezer trips household circuit breaker when the compressor starts.
|
High Inrush Current / Electrical Short | View Details |
| – |
Freezer will not start after being transported or moved.
|
Post-Transport Protection / Oil Migration | View Details |
| – |
Ice buildup on the evaporator coil causing poor cooling and fan noise.
|
Defrost System Failure | View Details |
| – |
Loud buzzing or humming noise from the compressor area
|
Compressor or Inverter Noise | View Details |
| – |
Rattling or vibrating noise when the compressor is running
|
Cabinet Vibration / Loose Components | View Details |
| – |
The freezer door is difficult to open immediately after closing
|
Vacuum Lock / Normal Pressure Equalization | View Details |
| – |
The freezer door is not closing properly or pops open after closing
|
Door Alignment / Hinge or Gasket Issue | View Details |
| – |
The freezer emits a strong chemical or burning smell
|
Electrical Overheating or Insulation Odor | View Details |
| – |
The freezer has a persistent musty or moldy odor inside
|
Interior Contamination / Drain Odor | View Details |
| – |
The freezer interior temperature fluctuates widely, causing soft and hard spots in food
|
Airflow / Load Distribution Problem | View Details |
| – |
The freezer makes a high-pitched whine or squeal from the fan area
|
Fan Motor Bearing Wear | View Details |
No matching codes found
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