# AGA main TEK / Tekelek PCB Replacement

> AGA main TEK / Tekelek PCB: failure signs, how it is tested, which AGA series it fits and OEM part numbers. Supplied and installed at your home. Mon–Sun 8:00AM–8:00PM. Call or text 206-427-7323.

Failure symptoms, diagnostic tests, fitment and part numbers — supplied and installed at your home across the Seattle–Tacoma metro, WA.

**Control** · Occasional

## Signs this part is failing

- Relay short circuit
- Relay open circuit
- Triac failure
- Watchdog faults
- Firmware below 6.1 (VE code)

## How it is tested

Rule out element (18–22 ohms) and thermocouple first. Check firmware on the TEK Vision Firmware tab. Verify mains polarity — the board will not work reversed.

## OEM / factory part numbers

- **AE4M280812** — eR7 essential parts list

AGA part numbers change by revision and color — we verify against your serial plate before ordering.

## Series this part fits

- [AGA Classic eR7](https://aga.repair/aga-classic-er7-repair)
- [AGA Classic 39" Total Control](https://aga.repair/aga-classic-total-control-repair)
- [AGA ERA](https://aga.repair/aga-era-repair)

## Replacement notes

Supplied as a complete tray. Highest-cost electrical part on an electric AGA; third-party board repair is a recognised alternative.

> ⚠️ **Safety & DIY disclaimer:** guides on this site are for information only. Appliance repair involves 240V electricity, gas connections, refrigerant and heavy cast-iron parts — anything you do yourself is at your own risk and can damage the appliance or cause injury. The safe option is to book a qualified technician.

## Problems this part solves

- [One cooking zone on an electric AGA is dead or the zone lights flash rapidly](https://aga.repair/aga-tek-zone-dead)
- [AGA communication cable / CE code — no response from main controller](https://aga.repair/aga-comms-cable)
- [AGA main PCB (TEK/Tekelek) failure](https://aga.repair/aga-pcb-triac)

## Frequently asked questions

### How do I know the AGA main TEK / Tekelek PCB is failing?

Typical failure signs: relay short circuit; relay open circuit; triac failure. A technician confirms it with the diagnostic test described on this page.

### Do you supply the part, or do I buy it myself?

We supply and install it. We install genuine or OEM-quality parts, and we verify the part number against your unit's serial plate before ordering — AGA part numbers change by revision and color.

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## Book a repair

- Call or text: 206-427-7323 (Mon–Sun 8:00AM–8:00PM, Pacific Time)
- Book online: https://aga.repair/contact/
- Email: service@aga.repair
- Service at your home across the Seattle–Tacoma metro, WA. Diagnostic fee applies toward your repair.

Independent service company — not affiliated with or authorized by AGA / AGA Rangemaster (Middleby). We repair out-of-warranty AGA appliances.