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

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

  • Occasional
  • Professional repair only
  • Cast Iron Range

Symptoms

What you will notice

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

Likely causes

What is usually behind it

  • COMS cable connector unseated at the PCB or fasciamost common
  • COMS cable damaged along its route inside the cookercommon
  • PCB or TCU socket damageless common

Diagnostics

How a technician diagnoses it

Our technicians follow the factory diagnostic path for this fault.

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

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.

Parts

Parts usually needed

We confirm the failing part with diagnostics before replacing anything.

Fault codes

Related error codes

Coverage

Appliances affected

Keep reading

Related AGA problems

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.

Not sure? We diagnose first.

Book a diagnostic visit — you get a written estimate before any work, and the diagnostic fee applies toward your repair.

Mon–Sun 8:00AM–8:00PM

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