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Atlantic Error Codes & Diagnostics

Complete B2B dictionary of fault codes, troubleshooting steps, and repair manuals for Atlantic home appliances, including Washing Machines, Dishwashers, Ovens, Dryers, and Refrigerators.

52 Verified Codes in Database
Are you a Certified Technician?Stamp unverified codes below to earn +10 Reputation Points.
(Only available for users logged in with a Google account)
CodeFault / DiagnosticsAppliancesAction
AL01
Boiler operation stopped, low pressure alert
Info: System water pressure has dropped below the minimum operating level.
Boiler
AL01 Full Steps Diagnose
AL02
Problem with domestic hot water temperature
Info: The domestic hot water (DHW) sensor (probe) is faulty or has a bad connection.
Boiler
AL02 Full Steps Diagnose
AL03
Problem with central heating temperature
Info: The central heating (CH) sensor (probe) is faulty or has a bad connection.
Boiler
AL03 Full Steps Diagnose
AL06
Boiler lockout related to flue safety
Info: The flue gas temperature sensor (probe) has detected an issue or has failed.
Boiler
AL06 Full Steps Diagnose
EC
Communication error between boards
Info: A communication link between the main control board and the display board has been lost.
Refrigerator
EC Full Steps Diagnose
EF
Evaporator fan motor error
Info: The fan that circulates cold air inside the freezer has failed or is blocked by ice.
Refrigerator
EF Full Steps Diagnose
E01
Ignition failure, boiler will not start
Info: No gas supply, faulty ignition electrode, or blocked condensate drain.
Boiler
E01 Full Steps Diagnose
E1
Refrigerator compartment sensor fault
Info: The temperature sensor for the fresh food section has failed.
Refrigerator
E1 Full Steps Diagnose
Er 01
Unit is not heating or cooling
Info: Communication error between the indoor and outdoor units.
Heat Pump
Er 01 Full Steps Diagnose
E02
Boiler overheated and locked out
Info: Poor water circulation, blocked pump, or faulty overheat thermostat.
Boiler
E02 Full Steps Diagnose
E2
Freezer compartment sensor fault
Info: The temperature sensor for the freezer section has failed.
Refrigerator
E2 Full Steps Diagnose
E03
Flue or fan fault
Info: Blockage in the flue, faulty fan, or air pressure switch failure.
Boiler
E03 Full Steps Diagnose
E3
Dishes are still dirty and wet after cycle / Water is cold
Info: The dishwasher is not heating the water. The cause is likely a failed heating element or a faulty NTC temperature sensor.
Dishwasher
E3 Full Steps Diagnose
E04
Low water pressure
Info: Water pressure in the heating system is too low, possibly due to a leak.
Boiler
E04 Full Steps Diagnose
E4
Dishwasher has too much water inside / Overfills
Info: The water level control system is malfunctioning. This could be a faulty pressure sensor, a blocked sensor hose, or a water inlet valve that is stuck open.
Dishwasher
E4 Full Steps Diagnose
E05
The wash cycle is cold / Water does not heat up
Info: There is a fault with the water heating system. This is usually a failed heating element or a faulty NTC temperature sensor.
Washing Machine
E05 Full Steps Diagnose
Er 05
System has shut down, high pressure fault
Info: High refrigerant pressure. Outdoor unit coil is blocked/dirty, fan is not working, or system is overcharged.
Heat Pump
Er 05 Full Steps Diagnose
E06
The drum does not turn or spins erratically
Info: A motor circuit fault. The most common cause is worn out carbon brushes on the motor. It can also be a faulty tacho coil on the motor or a bad connection.
Washing Machine
E06 Full Steps Diagnose
Er 06
System has shut down, low pressure fault
Info: Low refrigerant pressure, indicating a possible refrigerant leak or a blockage in the system.
Heat Pump
Er 06 Full Steps Diagnose
E8
Ice maker sensor fault
Info: The sensor for the automatic ice maker is malfunctioning.
Refrigerator
E8 Full Steps Diagnose
E09
Machine is dead or trips the circuit breaker
Info: Indicates a short circuit in the motor control section (triac) of the main electronic control board.
Washing Machine
E09 Full Steps Diagnose
E10
Water inlet problem
Info: Water tap is closed, inlet hose is kinked, or water pressure is too low.
Washing Machine
E10 Full Steps Diagnose
Er 10
No hot water or takes too long to heat
Info: The main heating element has failed or is covered in limescale.
Water Heater
Er 10 Full Steps Diagnose
Er 11
Water is dangerously hot, system locked out
Info: Overheating detected by the safety thermostat, likely due to a faulty main thermostat.
1 Elite Techs Verified
Water Heater
Er 11 Full Steps Diagnose
Er 15
Anti-corrosion system fault
Info: Fault with the ACI (Anti-Corrosion Integrated) electronic anode system.
Water Heater
Er 15 Full Steps Diagnose
E20
Drainage fault, water not emptying
Info: The drain pump filter is blocked, drain hose is kinked or blocked.
Washing Machine
E20 Full Steps Diagnose
E21
Water is not draining or draining too slowly
Info: Partial blockage in the drain filter or drain hose. Faulty drain pump.
Dishwasher
E21 Full Steps Diagnose
Er 21
Heater stops working, dry fire protection
Info: The system detected that the heating element was energized without being submerged in water.
Water Heater
Er 21 Full Steps Diagnose
Er 24
Inaccurate temperature control
Info: Fault detected with the upper temperature sensor (NTC).
Water Heater
Er 24 Full Steps Diagnose
E25
Circulation fault or pump blockage
Info: Primary water circulation is poor. The pump may be blocked or has failed.
Boiler
E25 Full Steps Diagnose
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