# AGA communication cable / CE code — no response from main controller

> AGA communication cable / CE code — no response from main controller: symptoms, likely causes and how a technician diagnoses it. Occasional AGA issue. Mon–Sun 8:00AM–8:00PM. Call or text 206-427-7323.

Occasional issue — here is how we diagnose it, which parts are usually involved, and when to call a pro.

**Occasional** · Professional repair only

## What you will notice

- CE on the customer display
- Code 003
- Panel dead but cooker has power

## What is usually behind it

- COMS cable connector unseated at the PCB or fascia (most common)
- COMS cable damaged along its route inside the cooker (common)
- PCB or TCU socket damage (less common)

## How a technician diagnoses it

1. Check the connection and condition of the COMS cable and the sockets on both the PCB and the fascia.
2. Test cable continuity end to end.
3. The connector at the PCB GSM port has a spring clip — push to release, do not pull.

## Parts usually needed

- [AGA COMS communication cable (PCB to fascia)](https://aga.repair/aga-comms-cable-replacement) (wiring)
- [AGA Touch Control Unit (customer user panel)](https://aga.repair/aga-tcu-replacement) (control)
- [AGA main TEK / Tekelek PCB (complete tray)](https://aga.repair/aga-tek-pcb-replacement) (control)

## Related error codes

- [003 — Com WD Fault (communication watchdog)](https://aga.repair/aga-error-code-003)

## Appliances affected

- [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)

> ⚠️ **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.

## Related AGA problems

- [AGA oven door rope seal worn — heat loss, poor cooking, hot fascia](https://aga.repair/aga-door-rope-seal)
- [AGA oven or hotplate element failed (no heat / reduced heat)](https://aga.repair/aga-element-open)
- [AGA full power time-out (codes 010–014) — zone too slow to reach temperature](https://aga.repair/aga-full-power-timeout)

## Frequently asked questions

### Can I fix this myself?

Professional repair only. This fault involves gas or 240V electrical components — diagnosis and repair should be done by a licensed technician.

### How much does it cost to fix this issue?

Every visit starts with diagnostics and a written estimate — the diagnostic fee applies toward your repair when you proceed. We never start work without your approval.

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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.