Verified boiler fault code

Sime ALL 95 Fault Code (Brava Slim HE ErP)

Flame-signal micro-interruptions error.

Safety disclaimer

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Fault code summary

Manufacturer
Sime
Fault code
ALL 95
Fault type
Flame detection, Ignition, PCB/electronics
Severity
high
Reset
The official table gives engineer checks; no repeated homeowner reset is advised.
Applicable models
Brava Slim HE ErP 25, Brava Slim HE ErP 30, Brava Slim HE ErP 35, Brava Slim HE ErP 40

Quick answer

Flame-signal micro-interruptions error.

What does this fault code mean?

Flame-signal micro-interruptions error.

Common causes

  • Electrode issue
  • Control-board issue
  • Electrical power-supply issue
  • Gas-calibration issue

Symptoms

  • ALL 95 alarm displayed

What can the homeowner safely check?

  • Check only that the appliance has power and record the alarm; do not access electrodes or electronics.

Boiler reset information

The official table gives engineer checks; no repeated homeowner reset is advised.

When should I call an engineer?

Contact a suitably qualified heating engineer when the fault persists, the boiler locks out, or the manufacturer instructions do not resolve it. For gas appliance work in the UK, use a Gas Safe registered engineer.

Engineer diagnosis

  • A qualified engineer should check the electrode, board, electrical supply and gas calibration.

Applicable boiler models

Related fault codes

Manufacturer documentation

Brava Slim HE ErP installation, use and maintenance manual (official Sime document 6322841C)

Official manual fault table: | ALL | 95 | Flame signal micro interruptions error | - Check electrode - Check board - Check electric power supply - Check gas calibration |

Last verified

2026-09-12

Frequently asked questions

What does Sime ALL 95 mean?

Flame-signal micro-interruptions error.

Can I reset a Sime ALL 95 fault?

The official table gives engineer checks; no repeated homeowner reset is advised.