Gladiator
Gladiator Freezers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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d
Door-ajar indicator or letter “d” appears on the Gladiator freezer display and an alarm sounds even when the door appears closed.
Door Ajar Detection Fault
E1
“E1” error code appears on the Gladiator freezer’s electronic display and temperature cannot be adjusted.
Freezer Compartment Thermistor Failure
E2
“E2” error code appears on the Gladiator freezer display; unit may run erratically or not maintain set temperature.
Ambient / Cabinet Thermistor Failure
E3
“E3” error code on Gladiator freezer display; defrost cycles may not occur or may be excessive, leading to frost buildup or temperature swings.
Defrost Sensor / Thermistor Error
E4
“E4” error code appears and the Gladiator freezer may not defrost properly, causing heavy frost on the evaporator and poor cooling.
Defrost Heater or Defrost Circuit Failure
E5
“E5” error code on Gladiator freezer; compressor may not start or may short-cycle frequently.
Compressor Start / Inverter or Relay Fault
E6
“E6” error code appears; Gladiator freezer may not respond to temperature changes or may shut down unexpectedly.
Electronic Control Board Communication / Internal Failure
E7
“E7” error code on Gladiator freezer; interior lights or door alarm may malfunction along with the code.
User Interface / Keypad Failure
E8
“E8” error code appears; Gladiator freezer may show erratic temperature readings or incorrect display values.
Display / Sensor Calibration Error
E9
“E9” error code on Gladiator freezer; unit may not cool and fans may not run.
Fan Motor or Fan Circuit Failure
F1
“F1” fault code appears; Gladiator freezer may shut down or run continuously.
Temperature Control Failure
F2
“F2” fault code appears; Gladiator freezer may not respond to keypad inputs or may lock up.
Keypad Stuck or Input Error
F3
“F3” fault code appears; Gladiator freezer may show erratic or no temperature reading.
Sensor Circuit Open
F4
“F4” fault code appears; Gladiator freezer may overheat or not defrost correctly.
Sensor Circuit Short
H
High temperature alarm icon or letter “H” appears on the Gladiator freezer display, often accompanied by an audible alarm.
High Temperature Condition
L
Low temperature or “too cold” indicator (often shown as “L” or a low-temp icon) appears on the Gladiator freezer display.
Low Temperature Condition / Overcooling
PO
Power outage indicator is lit or flashing on the Gladiator freezer control panel, but the unit appears to be running.
Power Interruption Detected
Symptom
Condenser fan at the back of the freezer is not running, and compressor is very hot.
Condenser Fan Failure
Symptom
Evaporator fan inside the freezer is not running; freezer is cold near coils but warm elsewhere.
Evaporator Fan Failure
Symptom
Excessive frost buildup on interior walls, shelves, and food packages.
Excessive Frost / Moisture Infiltration
Symptom
Freezer alarm sounds periodically even though temperature appears normal.
Nuisance Alarm / Sensor or Door Switch Issue
Symptom
Freezer coils (evaporator) are completely encased in ice, and airflow is blocked.
Defrost System Failure
Symptom
Freezer door is hard to open right after closing, or pops open slightly after being shut.
Door Vacuum / Misalignment
Symptom
Freezer door will not stay closed or pops open on its own.
Door Not Latching / Seal Failure
Symptom
Freezer emits a strong chemical, burning, or plastic smell.
Odor / Possible Electrical Overheat
Symptom
Freezer exterior sides or front frame feel very hot to the touch.
High Cabinet Temperature / Condenser Heat Transfer
Symptom
Freezer has a persistent bad food or musty odor even after cleaning.
Interior Odor / Contamination
Symptom
Freezer interior light does not turn on when door is opened, but cooling is normal.
Interior Light Failure
Symptom
Freezer interior light stays on even when the door is closed, causing warmth near the light area.
Door Switch Stuck Open / Light Circuit Fault
Symptom
Freezer interior temperature fluctuates widely, causing partial thawing and refreezing.
Temperature Fluctuation / Control Instability
Symptom
Freezer is completely dead; no lights, no display, no sound.
No Power / Dead Appliance
Symptom
Freezer is leaking water onto the floor from underneath or at the front.
Water Leak / Drain System Issue
Symptom
Freezer is too cold; items are rock hard and ice cream is overly hard even at higher settings.
Overcooling / Thermostat Stuck Closed
Symptom
Freezer makes loud humming, buzzing, or clicking noises during operation.
Abnormal Operating Noise
Symptom
Freezer not cooling at all; interior is warm and food is thawing, but lights may still work.
No Cooling / Compressor Not Running
Symptom
Freezer runs but does not get cold enough; temperature stays above 10–20°F (-12 to -6°C).
Insufficient Cooling
Symptom
Freezer runs constantly and rarely shuts off, even when interior seems cold.
Long Run Time / Poor Efficiency
Symptom
Freezer trips the household circuit breaker or GFCI outlet intermittently.
Electrical Short / Ground Fault
Symptom
Freezer vibrates excessively or rattles against the floor or nearby cabinets.
Excessive Vibration
Symptom
Thick sheet of ice forms on the bottom of the freezer compartment.
Frozen Defrost Drain
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| d |
Door-ajar indicator or letter “d” appears on the Gladiator freezer display and an alarm sounds even when the door appears closed.
|
Door Ajar Detection Fault | View Details |
| E1 |
“E1” error code appears on the Gladiator freezer’s electronic display and temperature cannot be adjusted.
|
Freezer Compartment Thermistor Failure | View Details |
| E2 |
“E2” error code appears on the Gladiator freezer display; unit may run erratically or not maintain set temperature.
|
Ambient / Cabinet Thermistor Failure | View Details |
| E3 |
“E3” error code on Gladiator freezer display; defrost cycles may not occur or may be excessive, leading to frost buildup or temperature swings.
|
Defrost Sensor / Thermistor Error | View Details |
| E4 |
“E4” error code appears and the Gladiator freezer may not defrost properly, causing heavy frost on the evaporator and poor cooling.
|
Defrost Heater or Defrost Circuit Failure | View Details |
| E5 |
“E5” error code on Gladiator freezer; compressor may not start or may short-cycle frequently.
|
Compressor Start / Inverter or Relay Fault | View Details |
| E6 |
“E6” error code appears; Gladiator freezer may not respond to temperature changes or may shut down unexpectedly.
|
Electronic Control Board Communication / Internal Failure | View Details |
| E7 |
“E7” error code on Gladiator freezer; interior lights or door alarm may malfunction along with the code.
|
User Interface / Keypad Failure | View Details |
| E8 |
“E8” error code appears; Gladiator freezer may show erratic temperature readings or incorrect display values.
|
Display / Sensor Calibration Error | View Details |
| E9 |
“E9” error code on Gladiator freezer; unit may not cool and fans may not run.
|
Fan Motor or Fan Circuit Failure | View Details |
| F1 |
“F1” fault code appears; Gladiator freezer may shut down or run continuously.
|
Temperature Control Failure | View Details |
| F2 |
“F2” fault code appears; Gladiator freezer may not respond to keypad inputs or may lock up.
|
Keypad Stuck or Input Error | View Details |
| F3 |
“F3” fault code appears; Gladiator freezer may show erratic or no temperature reading.
|
Sensor Circuit Open | View Details |
| F4 |
“F4” fault code appears; Gladiator freezer may overheat or not defrost correctly.
|
Sensor Circuit Short | View Details |
| H |
High temperature alarm icon or letter “H” appears on the Gladiator freezer display, often accompanied by an audible alarm.
|
High Temperature Condition | View Details |
| L |
Low temperature or “too cold” indicator (often shown as “L” or a low-temp icon) appears on the Gladiator freezer display.
|
Low Temperature Condition / Overcooling | View Details |
| PO |
Power outage indicator is lit or flashing on the Gladiator freezer control panel, but the unit appears to be running.
|
Power Interruption Detected | View Details |
| – |
Condenser fan at the back of the freezer is not running, and compressor is very hot.
|
Condenser Fan Failure | View Details |
| – |
Evaporator fan inside the freezer is not running; freezer is cold near coils but warm elsewhere.
|
Evaporator Fan Failure | View Details |
| – |
Excessive frost buildup on interior walls, shelves, and food packages.
|
Excessive Frost / Moisture Infiltration | View Details |
| – |
Freezer alarm sounds periodically even though temperature appears normal.
|
Nuisance Alarm / Sensor or Door Switch Issue | View Details |
| – |
Freezer coils (evaporator) are completely encased in ice, and airflow is blocked.
|
Defrost System Failure | View Details |
| – |
Freezer door is hard to open right after closing, or pops open slightly after being shut.
|
Door Vacuum / Misalignment | View Details |
| – |
Freezer door will not stay closed or pops open on its own.
|
Door Not Latching / Seal Failure | View Details |
| – |
Freezer emits a strong chemical, burning, or plastic smell.
|
Odor / Possible Electrical Overheat | View Details |
| – |
Freezer exterior sides or front frame feel very hot to the touch.
|
High Cabinet Temperature / Condenser Heat Transfer | View Details |
| – |
Freezer has a persistent bad food or musty odor even after cleaning.
|
Interior Odor / Contamination | View Details |
| – |
Freezer interior light does not turn on when door is opened, but cooling is normal.
|
Interior Light Failure | View Details |
| – |
Freezer interior light stays on even when the door is closed, causing warmth near the light area.
|
Door Switch Stuck Open / Light Circuit Fault | View Details |
| – |
Freezer interior temperature fluctuates widely, causing partial thawing and refreezing.
|
Temperature Fluctuation / Control Instability | View Details |
| – |
Freezer is completely dead; no lights, no display, no sound.
|
No Power / Dead Appliance | View Details |
| – |
Freezer is leaking water onto the floor from underneath or at the front.
|
Water Leak / Drain System Issue | View Details |
| – |
Freezer is too cold; items are rock hard and ice cream is overly hard even at higher settings.
|
Overcooling / Thermostat Stuck Closed | View Details |
| – |
Freezer makes loud humming, buzzing, or clicking noises during operation.
|
Abnormal Operating Noise | View Details |
| – |
Freezer not cooling at all; interior is warm and food is thawing, but lights may still work.
|
No Cooling / Compressor Not Running | View Details |
| – |
Freezer runs but does not get cold enough; temperature stays above 10–20°F (-12 to -6°C).
|
Insufficient Cooling | View Details |
| – |
Freezer runs constantly and rarely shuts off, even when interior seems cold.
|
Long Run Time / Poor Efficiency | View Details |
| – |
Freezer trips the household circuit breaker or GFCI outlet intermittently.
|
Electrical Short / Ground Fault | View Details |
| – |
Freezer vibrates excessively or rattles against the floor or nearby cabinets.
|
Excessive Vibration | View Details |
| – |
Thick sheet of ice forms on the bottom of the freezer compartment.
|
Frozen Defrost Drain | View Details |
No matching codes found
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