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AGA Appliance Repair Service
Your Local AGA Cast-Iron Cooker Repair Company
- AGA eR7 electric cooker showing a panel fault code
- AGA Total Control hotplate not reaching temperature
- AGA Dual Control gas hob burner won't ignite
- AGA cast-iron oven thermocouple failure
- AGA 2.5kW oven element open circuit
- AGA Configuration Key fault (code 140)
- AGA Mercury range oven not holding heat
- AGA cooker handset RF communication loss
- AGA Legacy refrigerator not cooling
- AGA cooker door seal / hinge wear
Article Reviewed & Technically Verified by Dmitry V., Lead EPA-Certified Technician (15+ Years Experience)
AGA builds British cast-iron heat-storage range cookers — the all-electric eR7 and Total Control, and the electric-plus-hob Dual Control — alongside Mercury, Elise and Professional pro-style ranges, wall ovens, cooktops, AGA Legacy refrigeration and Elise/Mercury dishwashers. The all-electric cast-iron cookers report numeric fault codes on the control panel; the traditional and Dual Control models are largely mechanical. AGA makes no washers or dryers. Same-day AGA repair across Brooklyn at (917) 997-5264.
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Our AGA Repair Services
An AGA is not a conventional cooker — the cast-iron ovens and hotplates store radiant heat in a heavy iron core rather than switching a burner on and off, so the repairs are unlike any other brand. Below is how we approach each part of the AGA range the brand actually makes; there are no laundry appliances here.
AGA Cast-Iron Range Cooker Repair
The heart of the AGA line is the cast-iron heat-storage cooker. On the all-electric eR7 and Total Control models, each oven and hotplate is heated by its own 2.5kW element (roughly 18–22Ω) and monitored by a duplex thermocouple, switched by relays and triacs on a main PCB in the cooker base.
When one of these cast-iron cookers throws a panel fault code or a zone stops heating, we ohm the element and the thermocouple directly rather than swapping the board on a guess — an open element reads out of range, and a failed thermocouple shows as an open or drifting reading.
Common issues we fix:
- Panel fault code displayed (see code table below)
- Oven or hotplate not reaching temperature
- 2.5kW element open circuit / no heat
- Duplex thermocouple open or drifting
- Relay or triac fault on the base PCB
- Handset RF communication loss
- Configuration key fault (code 140)
- Cast-iron door seal or hinge wear
AGA Dual Control & Pro-Style Range Repair
The Dual Control cooker pairs electric cast-iron ovens with a separate gas or induction hob, while the Mercury, Elise and Professional ranges are more conventional pro-style ranges with sealed gas or dual-fuel burners and convection ovens. A Dual Control gas hob that clicks but won't light points at the spark electrode or generator, not the cast-iron side.
On the Mercury and Professional ovens, an oven baking off-temperature is diagnosed by confirming supply voltage at the thermostat or control, then testing the element and the temperature sensor before any part is replaced.
Common issues we fix:
- Dual Control gas hob burner won't ignite
- Induction hob zone not responding
- Mercury / Professional oven not holding temperature
- Convection element or fan failure
- Burner uneven flame or weak simmer
- Oven safety valve or igniter fault
- Second oven cavity not heating
- Control knob or thermostat wear
AGA Wall Oven Repair
AGA's built-in electric wall ovens from the Mercury and Elise collections are convection units with an electronic control, so their faults concentrate in the temperature sensor, the bake and broil elements, and the door latch. An oven baking hot or cold is checked at the sensor first, which we measure directly.
Door-gasket and hinge wear skew baking even when the element is fine, so we check the seal and the hinge tension alongside the heating circuit rather than treating them separately.
Common issues we fix:
- Baking too hot or too cold (temperature sensor)
- Bake or broil element not heating
- Slow or no preheat
- Convection element or fan failure
- Oven door won't seal (gasket / hinge)
- Display or control-board faults
- Interior light or switch failure
- Temperature runaway shutoff
AGA Cooktop & Rangetop Repair
AGA gas cooktops and rangetops share the sealed-burner and spark hardware of the ranges, while the induction models are power-electronics devices. A gas burner that sparks but won't stay lit usually has a fouled electrode or a weak flame-sensing circuit, which we test and clean before condemning the valve.
An induction zone that quits is more often a failed power module or an overheating cooling fan than a dead coil, so we measure the module output and confirm pan detection before returning the cooktop to service.
Common issues we fix:
- Gas burner won't light or won't stay lit
- Induction zone not responding
- Not detecting induction cookware
- Zone cutting out under load (cooling fan)
- Uneven or weak heat across burners
- Touch controls unresponsive
- Cracked glass (assessment and options)
- Burner cap or orifice blockage
AGA Legacy Refrigerator Repair
AGA's Legacy refrigerators — built-in and counter-depth French-door units produced under the AGA Marvel umbrella — that stop holding temperature usually have an evaporator or condenser fan fault, or a defrost problem, rather than a dead compressor. We test fan current draw and the defrost heater before opening the sealed system.
On the panel-ready built-in units, door alignment and gasket seal matter as much as the components, so we re-align the door to stop cold air leaking out after the repair.
Common issues we fix:
- Not cooling / not freezing
- Evaporator or condenser fan failure
- Frost returning after defrost
- Ice maker not filling or harvesting
- Compressor running nonstop
- Built-in door sagging / not sealing
- Water pooling or condensation inside
- Temperature swings and sensor faults
AGA Dishwasher Repair
AGA's Mercury and Elise dishwashers that leave dishes dirty or won't drain are usually a spray-arm, filter, or drain-pump problem rather than a control fault. We check the wash pump, the spray-arm rotation, and the drain path before looking at the electronics.
A dishwasher that won't fill or leaks points at the inlet valve or the door seal, so we test the valve and inspect the gasket and latch alignment together to stop the leak at its source.
Common issues we fix:
- Dishes coming out dirty after a full cycle
- Water not draining / pooling in the tub
- Won't fill (inlet valve)
- Leaking at the door seal or latch
- Not heating / poor drying
- Spray arm not rotating
- Noisy wash or drain pump
- Cycle stops mid-program
AGA eR7 & Total Control Cooker Fault Codes
AGA's all-electric cast-iron cookers — the eR7 and the Total Control electric collection — display a numeric fault code on the control panel when a zone fails. These codes are real and specific to the electric cast-iron cookers; the traditional heat-storage and Dual Control gas models are largely mechanical and do not generate them. The codes below are drawn from AGA's own service documentation — see AGA's official product owner guides — and each is diagnosed by direct component testing, not by replacing the board on the code alone.
AGA eR7 / Total Control electric cooker fault codes
| Code | Meaning | How we diagnose it |
|---|---|---|
| 002 / 003 | Communication watchdog fault | Test the communication cable and connectors between the panel and the base PCB |
| 007 | Thermocouple reference fault | Check the cold-junction reference on the base PCB |
| 010–014 | Full-power time-out (zone heating too slowly) | Measure the 2.5kW element (~18–22Ω) and confirm supply voltage to that zone |
| 020–024 | Thermocouple differential | Test the duplex thermocouple for that oven or hotplate |
| 060–100 | Thermocouple open circuit | Ohm out the thermocouple; replace if open |
| 120–124 | Cooking-zone overheat | Check the element and thermocouple; confirm the zone relay is not stuck closed |
| 130–136 | Triac fault | Test the triac driving that element on the base PCB |
| 139 | User-panel overheat | Check panel ventilation and surrounding cabinet temperature |
| 140 | Configuration key fault | Re-seat or replace the configuration key on the PCB |
| 150–156 | Relay open circuit | Test the zone relay for an open coil or contact |
| 159 | Handset RF fault | Test the wireless link between the handset and the cooker |
AGA refrigeration & dishwasher diagnostics
AGA Legacy refrigerators and Mercury/Elise dishwashers do not use the cooker's numeric fault-code system, so we diagnose them by symptom and direct component testing rather than reading a code.
| Symptom | How we diagnose it |
|---|---|
| Legacy fridge not cooling | Test evaporator and condenser fan current; check the compressor start circuit |
| Frost returning / temperature swings | Test defrost heater continuity and the defrost thermostat |
| Dishwasher won't drain | Check the drain pump, filter, and drain hose for a blockage |
| Dishwasher won't fill | Test the water inlet valve and float switch |
| Dishes not clean | Verify spray-arm rotation and wash-pump pressure; clear spray jets |
Technician Case Studies — AGA Repairs
Diagnostic & Resolution: Code 140 is a configuration key fault. Inspected the configuration key on the base PCB — found unseated after the surge. Re-seated and secured the key, cleared the fault, and confirmed all ovens and hotplates returned to normal control across a full heat-up cycle.
Diagnostic & Resolution: That band is a thermocouple open circuit. Ohmed the duplex thermocouple on the roasting oven — read open. Replaced the thermocouple, cleared the code, and verified the oven reached and held temperature with the element cycling correctly.
Diagnostic & Resolution: Measured the 2.5kW hotplate element — read out of range against the 18–22Ω spec, indicating a degraded element. Replaced the element, confirmed supply voltage at the zone, and verified the plate reached temperature within the expected time with no repeat fault.
Diagnostic & Resolution: Isolated the fault to the hob, not the electric cast-iron side. Found a cracked spark electrode arcing to the burner cap. Replaced the electrode, cleaned the burner ports, and confirmed clean ignition and a stable flame across all hob burners.
Diagnostic & Resolution: Confirmed supply voltage at the oven control, then tested the bake element and temperature sensor. Element read open circuit. Replaced the bake element and verified oven accuracy within ±10°F at 350°F and 425°F with a calibrated thermocouple.
Diagnostic & Resolution: Warm fridge with a cold freezer pointed at air circulation. Tested the evaporator fan — motor seized, no airflow to the fresh-food side. Replaced the evaporator fan motor and confirmed both compartments returned to set temperature over a monitored pull-down.
For expert service on any AGA cast-iron cooker, pro-style range or cooktop, wall oven, Legacy refrigerator, or dishwasher, call (917) 997-5264 for a same-day appointment and a transparent, upfront estimate.
Frequently Asked Questions — AGA Appliance Repair
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