Remeha · Quinta Ace 30–115 wall-hung gas boiler range · United Kingdom

A.00.34 error code

A.00.34 – Remeha Quinta Ace 30–115 error code

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Quick answer

What does Remeha Quinta Ace 30–115 wall-hung gas boiler range A.00.34 mean?

Remeha documents A.00.34 for the Quinta Ace 30–115 range as “Outside temperature sensor missing”. This is a warning code on the HMI T-control platform.

The code identifies the condition detected by the product; it does not always identify the failed component on its own. Confirm the full code and exact model before ordering parts or attempting a reset.

The Remeha Quinta Ace 30–115 wall-hung gas boiler range A.00.34 error code indicates remeha documents A.00.34 for the Quinta Ace 30–115 range as “Outside temperature sensor missing”. This is a warning code on the HMI T-control platform. This guide explains what the code means, the symptoms and likely causes, the checks that are safe to make, and when to stop and arrange an authorised repair.

Symptoms you may notice

The HMI T-control displays A.00.34 and reports outside temperature sensor missing. The boiler may continue to operate while the warning remains visible.

Common causes

Possible causes include a disconnected, incorrectly fitted or failed sensor, damaged wiring, poor connector contact or a measured value outside the permitted range.

Before you start troubleshooting

Use the display, rating label or product menu to confirm the exact model. Similar-looking codes can have different meanings across product generations and regions.

  • Record the complete code before switching the equipment off.
  • Check only user-accessible controls, filters and external connections described in the manual.
  • Do not open gas, refrigerant, combustion or electrical compartments.

Troubleshooting steps

Record the complete code and note what the boiler was doing when it appeared. Do not remove the casing. A qualified engineer should follow the Remeha service-manual checks for wiring, sensors, circulation, combustion, flue, gas-valve control and configuration as applicable.

Can you fix this error code yourself?

The safest next step depends on the exact model and the cause behind the code. External checks may help, but a returning fault needs professional diagnosis.

A successful reset is not proof that the underlying issue is fixed. If A.00.34 reappears, note when it happens and give that information to the service engineer.

Reset instructions

A warning normally clears when its cause is corrected. Do not repeatedly reset a persistent warning.

Applicable products and models

Remeha Quinta Ace 30–115 wall-hung gas boiler range Quinta Ace 30; Quinta Ace 45; Quinta Ace 55; Quinta Ace 65; Quinta Ace 90; Quinta Ace 115Quinta Ace 30–115 wall-hung gas boiler rangeQuinta Ace 30; Quinta Ace 45; Quinta Ace 55; Quinta Ace 65; Quinta Ace 90; Quinta Ace 1152021 service-manual generation

When to contact a professional

Contact Remeha technical support or a suitably qualified Gas Safe registered commercial heating engineer. Provide the full code, exact model, serial number and recent operating history.

Frequently asked questions

What does Remeha Quinta Ace 30–115 wall-hung gas boiler range A.00.34 mean?

Remeha documents A.00.34 for the Quinta Ace 30–115 range as “Outside temperature sensor missing”. This is a warning code on the HMI T-control platform.

Can I fix Remeha Quinta Ace 30–115 wall-hung gas boiler range A.00.34 myself?

Some external checks may be suitable for the user, but the result depends on the exact model and cause. Use the official manual and arrange service if the code returns.

Should I reset the product after code A.00.34?

A warning normally clears when its cause is corrected. Do not repeatedly reset a persistent warning.

When should I arrange a repair?

Contact Remeha technical support or a suitably qualified Gas Safe registered commercial heating engineer. Provide the full code, exact model, serial number and recent operating history.