Vokera Mynute 14E Fault codes & diagnostics

3 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Regular Natural Gas 14 kW Discontinued

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Just want the most common Vokera Mynute 14E faults?
The top 6 problems in plain English — with causes, DIY checks and repair costs.
Fault codes

All 3 documented codes

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LD1

Your boiler has detected a general fault and has safely shut down to prevent damage.

High DIY-safe £100-280

What to check first

  1. Locate the mode selector switch on the front control panel
  2. Turn the switch to the 'OFF/RESET' position and wait for 5 seconds
  3. Turn the switch back to either the 'Heating only' or 'Heating and Hot Water' position

Parts commonly replaced

  • Ignition Electrode
  • NTC Temperature Sensor
  • Printed Circuit Board (PCB)
Full explanation for LD1
Pressure below 0.5 BAR

Your boiler has stopped working because the water pressure inside the system has dropped too low to operate safely.

High DIY-safe £0-120

What to check first

  1. Locate the silver filling loop underneath or near the boiler
  2. Slowly open the small valves on the loop until you hear water moving
  3. Close the valves once the pressure gauge on the front of the boiler reaches 1.5 BAR

Parts commonly replaced

  • Filling loop
  • Expansion vessel
  • Pressure relief valve
Full explanation for Pressure below 0.5 BAR
Reset light illuminated

Your boiler has switched itself off for safety because it either failed to light properly or got too hot.

High DIY-safe £90-250

What to check first

  1. Locate the mode selector switch on the front control panel.
  2. Turn the switch to the 'RESET' position and hold it for a few seconds.
  3. Return the switch to your desired mode (Heating or Hot Water) and wait for the boiler to restart.

Parts commonly replaced

  • Ignition Electrode
  • Gas Valve
  • Overheat Thermostat
  • Printed Circuit Board (PCB)
Full explanation for Reset light illuminated