Fault codes
Documented fault code library
Every entry shows its source, document version, last verified date and safety classification. Nothing here is invented to fill a gap.
Showing 60 records
High pressure cut-out
Ice Machines · verified 2026-10-11
Defrost terminated on time limit
Commercial Refrigeration · verified 2026-10-11
Dry run protection activated
Pumps & Water Systems · verified 2026-10-11
Cabinet temperature above set point
Commercial Refrigeration · verified 2026-10-11
Communication fault between indoor and outdoor unit
HVAC & Air Conditioning · verified 2026-10-11
Ice production interruption - harvest cycle timeout
Ice Machines · verified 2026-10-11
Sensor or pressure signal fault
Pumps & Water Systems · verified 2026-10-11
Low pressure or refrigerant loss protection
HVAC & Air Conditioning · verified 2026-10-11
Motor overload or overcurrent
Pumps & Water Systems · verified 2026-10-10
Evaporator sensor fault
Commercial Refrigeration · verified 2026-10-10
Drain or drain pump fault
Commercial Dishwashers · verified 2026-10-10
Service or venting due
Pumps & Water Systems · verified 2026-10-10
Detergent or rinse aid dosing alarm
Commercial Dishwashers · verified 2026-10-10
Filter or indoor unit cleaning due
HVAC & Air Conditioning · verified 2026-10-10
High pressure protection
HVAC & Air Conditioning · verified 2026-10-10
Door open longer than permitted
Commercial Refrigeration · verified 2026-10-10
High pressure cut-out
Ice Machines · verified 2026-10-09
Dry run protection activated
Pumps & Water Systems · verified 2026-10-09
Booster or rinse temperature low
Commercial Dishwashers · verified 2026-10-09
Ice production interruption - harvest cycle timeout
Ice Machines · verified 2026-10-09
Communication fault between indoor and outdoor unit
HVAC & Air Conditioning · verified 2026-10-09
Sensor or pressure signal fault
Pumps & Water Systems · verified 2026-10-09
Low pressure or refrigerant loss protection
HVAC & Air Conditioning · verified 2026-10-09
Fill time exceeded
Commercial Dishwashers · verified 2026-10-09
Motor overload or overcurrent
Pumps & Water Systems · verified 2026-10-08
High pressure protection
HVAC & Air Conditioning · verified 2026-10-08
Filter or indoor unit cleaning due
HVAC & Air Conditioning · verified 2026-10-08
Service or venting due
Pumps & Water Systems · verified 2026-10-08
Low water or water inlet fault
Ice Machines · verified 2026-10-08
Detergent or rinse aid dosing alarm
Commercial Dishwashers · verified 2026-10-08
Drain or drain pump fault
Commercial Dishwashers · verified 2026-10-08
Cleaning cycle due or interrupted
Ice Machines · verified 2026-10-08
Low pressure or refrigerant loss protection
HVAC & Air Conditioning · verified 2026-10-07
Door lock or interlock fault
Commercial Laundry · verified 2026-10-07
Fill time exceeded
Commercial Dishwashers · verified 2026-10-07
Defrost terminated on time limit
Commercial Refrigeration · verified 2026-10-07
Communication fault between indoor and outdoor unit
HVAC & Air Conditioning · verified 2026-10-07
Unbalance or vibration cut-out
Commercial Laundry · verified 2026-10-07
Cabinet temperature above set point
Commercial Refrigeration · verified 2026-10-07
Booster or rinse temperature low
Commercial Dishwashers · verified 2026-10-07
Detergent or rinse aid dosing alarm
Commercial Dishwashers · verified 2026-10-06
High pressure protection
HVAC & Air Conditioning · verified 2026-10-06
Filter or indoor unit cleaning due
HVAC & Air Conditioning · verified 2026-10-06
Motor overload or overcurrent
Pumps & Water Systems · verified 2026-10-06
Low water or water inlet fault
Ice Machines · verified 2026-10-06
Drain or drain pump fault
Commercial Dishwashers · verified 2026-10-06
Cleaning cycle due or interrupted
Ice Machines · verified 2026-10-06
Service or venting due
Pumps & Water Systems · verified 2026-10-06
Communication fault between indoor and outdoor unit
HVAC & Air Conditioning · verified 2026-10-05
Cabinet temperature above set point
Commercial Refrigeration · verified 2026-10-05
Unbalance or vibration cut-out
Commercial Laundry · verified 2026-10-05
Low pressure or refrigerant loss protection
HVAC & Air Conditioning · verified 2026-10-05
Defrost terminated on time limit
Commercial Refrigeration · verified 2026-10-05
Door lock or interlock fault
Commercial Laundry · verified 2026-10-05
High pressure protection
HVAC & Air Conditioning · verified 2026-10-04
Filter or indoor unit cleaning due
HVAC & Air Conditioning · verified 2026-10-04
Motor overload or overcurrent
Pumps & Water Systems · verified 2026-10-04
Service or venting due
Pumps & Water Systems · verified 2026-10-04
Core probe or temperature probe fault
Commercial Ovens · verified 2026-10-04
Fan or motor protection trip
Commercial Ovens · verified 2026-10-04