Vokera Linea 32HE Fault codes & diagnostics

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

Combi Natural Gas 2007-present
GC Number 47-094-90
Download the Vokera Linea 32HE manualThe official installation and service manual (PDF), the document these fault codes were read from. PDF

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Each cell = one fault code. Hover to identify.
3 Emergency 35 High 3 Medium

All 41 documented codes

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10

Your boiler has attempted to start but failed to ignite the burner, meaning it cannot produce heat or hot water.

High Engineer only £120-250

Parts commonly replaced

  • Ignition electrode
  • Gas valve
  • Printed Circuit Board (PCB)

Related codes

11

Your boiler has detected a flame inside when it should be switched off, which has caused it to lock out for your safety.

Emergency Engineer only £150-300

Parts commonly replaced

  • Gas valve
  • Printed Circuit Board (PCB)
  • Flame detection electrode

Related codes

12

Your boiler has failed to ignite the gas burner and is currently trying to restart itself to get your heating or hot water working again.

High Engineer only £120-250

Parts commonly replaced

  • Ignition electrode
  • Gas valve
  • Ignition lead
13

Your boiler is having trouble communicating with its internal parts due to a poor electrical connection, which means the system cannot safely operate.

High Engineer only £120-250

Parts commonly replaced

  • Wiring harness
  • PCB
14

Your boiler's control panel has lost its connection to internal parts, meaning it cannot communicate correctly to start heating or hot water.

High Engineer only £120-250

Parts commonly replaced

  • Wiring harness
  • Main control board

Related codes

15

Your boiler has detected a flame inside when it should be switched off, and it has safely locked itself out to prevent a potential hazard.

Emergency Engineer only £150-300

Parts commonly replaced

  • Gas valve
  • Printed Circuit Board (PCB)
  • Flame rectification electrode
20

Your boiler has automatically shut down because the internal safety thermostat detected that the water temperature has risen too high.

High Engineer only £150-300

Parts commonly replaced

  • High limit thermostat
  • PCB
  • Pump

Related codes

21

Your boiler has lost the internal connection needed to communicate with its own electrical components, causing the system to stop working safely.

High Engineer only £120-220

Parts commonly replaced

  • Wiring harness
  • Main control PCB

Related codes

22

Your boiler is having trouble communicating with its internal controls because a wire has likely come loose or become damaged.

High Engineer only £120-200

Parts commonly replaced

  • Wiring harness
  • Main PCB

Related codes

23

Your boiler's computer is having trouble communicating with its internal parts due to a faulty electrical connection or damaged wiring.

High Engineer only £120-250

Parts commonly replaced

  • Wiring harness
  • PCB

Related codes

Showing 11–20 of 41
24

Your boiler has detected that the water inside the system has become dangerously hot and has safely shut itself down to prevent damage.

High Engineer only £120-220

Parts commonly replaced

  • NTC flow sensor
  • Primary heat exchanger
  • Pump
25

Your boiler has detected that the water inside the system has become dangerously hot and has shut itself down to prevent damage or safety risks.

High Engineer only £120-250

Parts commonly replaced

  • Flow temperature sensor
  • NTC thermistor
  • Primary heat exchanger
26

Your boiler has detected that the water returning to the system is too hot, causing it to shut down to prevent internal damage.

High Engineer only £120-220

Parts commonly replaced

  • NTC return temperature sensor
  • Primary circulation pump
  • System filter
27

Your boiler has sensed that the water returning to it is significantly hotter than it should be and has shut down as a safety precaution.

High Engineer only £120-250

Parts commonly replaced

  • Return NTC thermistor
  • Primary heat exchanger
  • Pump
28

Your boiler has detected that the water is not circulating correctly between the heating pipes, causing a significant temperature difference that has triggered a safety shutdown.

High Engineer only £150-300

Parts commonly replaced

  • Central heating pump
  • System filter
  • Diverter valve

Related codes

29

Your boiler has lost its connection to important internal sensors, meaning it cannot safely regulate the system and has stopped working to prevent damage.

High Engineer only £120-250

Parts commonly replaced

  • Wiring harness assembly
  • Main control PCB

Related codes

30

Your boiler has stopped working because of an internal memory error that was incorrectly set up when it was manufactured.

High Engineer only £100-250

Parts commonly replaced

  • Printed Circuit Board (PCB)
  • Control Board

Related codes

31

Your boiler has detected an internal electronic error and has safely shut down to prevent any further issues.

High Engineer only £150-350

Parts commonly replaced

  • Printed Circuit Board (PCB)
  • Wiring harness

Related codes

33

Your boiler has detected that the internal fan is spinning too slowly to safely clear waste gases, so it has shut down to protect your home.

Emergency Engineer only £150-300

Parts commonly replaced

  • Flue Fan
  • Air Pressure Switch
  • Printed Circuit Board (PCB)

Related codes

34

Your boiler is failing to start because it cannot clear out old air and draw in fresh air properly before firing up.

High Engineer only £180-350

Parts commonly replaced

  • Fan assembly
  • PCB
  • Air pressure switch
  • Flue seal
Showing 21–30 of 41
35

Your boiler has stopped working because the internal fan, which safely clears exhaust gases, isn't spinning or communicating correctly with the system.

High Engineer only £180-450

Parts commonly replaced

  • Fan assembly
  • Printed Circuit Board (PCB)
  • Air pressure switch

Related codes

36

Your boiler's main internal computer has detected a technical error and has stopped working to protect the system.

High Engineer only £250-£450

Parts commonly replaced

  • Main PCB (Printed Circuit Board)
  • Control Board

Related codes

37

Your boiler has detected that its internal air fan is spinning much faster than it should be for safe operation, so it has shut down to prevent damage.

High Engineer only £150-300

Parts commonly replaced

  • Fan assembly
  • PCB (Printed Circuit Board)
38

Your boiler’s internal computer has lost its programmed settings and no longer knows how to operate correctly.

High Engineer only £100-350

Parts commonly replaced

  • Main PCB (Printed Circuit Board)
  • Control Knob set

Related codes

40

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

High DIY-safe

What to check first

  1. Locate the filling loop underneath your boiler.
  2. Open the valves slowly to let water into the system until the pressure gauge reads between 1.0 and 1.5 bar.
  3. Close the valves tightly and reset the boiler.

Parts commonly replaced

  • Filling loop valve
  • Pressure relief valve
  • Pressure switch

Related codes

41

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

High DIY-safe £80-150

What to check first

  1. Locate the external filling loop, which is usually a small metal braided hose underneath the boiler.
  2. Slowly open the valves on the filling loop to let mains water into the system.
  3. Monitor the boiler's pressure gauge until the needle reaches the green zone, typically between 1.0 and 1.5 bar.
  4. Firmly close both valves and ensure the hose is disconnected if required by your specific setup.

Parts commonly replaced

  • Filling loop
  • Pressure relief valve
  • Pressure sensor

Related codes

42

Your boiler has lost the ability to accurately measure the water pressure inside the system and has stopped working as a safety precaution.

High Engineer only £150-250

Parts commonly replaced

  • Pressure transducer
  • Wiring harness
50-59

Your boiler has detected an internal computer error, meaning it can no longer control its own operations and has shut down for safety.

High Engineer only £250-450

Parts commonly replaced

  • Main Printed Circuit Board (PCB)
60

Your boiler is currently unable to provide hot water because it has lost contact with the sensor that measures the water temperature.

High Engineer only £120-220

Parts commonly replaced

  • DHW NTC Thermistor
  • Wiring harness
70

Your boiler is unable to read the temperature of the water flowing through the heating system correctly, so it has shut down as a safety precaution.

High Engineer only £120-220

Parts commonly replaced

  • NTC Temperature Sensor
  • Wiring harness

Related codes

Showing 31–40 of 41
71

Your boiler has lost the ability to accurately measure the water temperature in the system, causing it to shut down to prevent potential overheating.

High Engineer only £120-200

Parts commonly replaced

  • Flow NTC sensor
  • Wiring harness

Related codes

72

Your boiler is having trouble reading the temperature of the water returning to it from your radiators, which is preventing it from heating your home properly.

Medium Engineer only £120-220

Parts commonly replaced

  • Return NTC thermistor
  • Wiring harness

Related codes

74

Your boiler is unable to move water around the system because either the main pump is stuck or the internal valves are blocked.

High Engineer only £180-350

Parts commonly replaced

  • Circulation pump
  • Diverter valve
  • Flow switch

Related codes

77

Your boiler has detected that the water temperature in your underfloor heating system has become dangerously high and has safely shut down to prevent damage.

High Engineer only £120-250

Parts commonly replaced

  • Underfloor heating thermostat
  • NTC sensor
  • PCB

Related codes

78

Your boiler is struggling to manage the temperature difference between the water leaving the heater and the water returning to it, causing the system to stop working properly.

High Engineer only £150-300

Parts commonly replaced

  • Central heating pump
  • Plate heat exchanger
  • NTC thermistors
79

Your boiler is struggling to manage the temperature difference between the water leaving the heater and the water returning to it, often due to a blockage or sensor confusion.

High Engineer only £150-300

Parts commonly replaced

  • NTC Temperature sensors
  • Central heating pump
  • Heat exchanger

Related codes

80-83

Your boiler has detected an internal computer error that is preventing it from operating correctly.

High Engineer only £150-300

Parts commonly replaced

  • Printed Circuit Board (PCB)
  • Wiring harness
92

Your boiler has temporarily stopped working because the internal waste water has backed up and cannot drain away properly.

High Engineer only £90-180

Parts commonly replaced

  • Condensate trap
  • Condensate pipework

Related codes

93

Your boiler has temporarily stopped working because the pipe that drains away waste water is blocked, frozen, or trapped, causing water to back up inside.

High DIY-safe £80-£150

What to check first

  1. Locate the plastic white or grey condensate pipe running from the bottom of your boiler to an outside drain.
  2. Check if the outside pipe is frozen during cold weather by pouring warm (not boiling) water over it.
  3. Inspect the pipe for any obvious bends, kinks, or blockages that might be stopping the water from escaping.

Parts commonly replaced

  • Condensate trap
  • Condensate pump
94

Your boiler has detected an issue with the pipe that drains away waste water, which temporarily stops the boiler for safety.

Medium Engineer only £90-180

Parts commonly replaced

  • Condensate sensor
  • Wiring harness
  • PCB

Related codes

Showing 41–41 of 41
95

Your boiler has detected an issue with the system that safely drains away waste water, causing it to lock out for safety.

Medium Engineer only £90-180

Parts commonly replaced

  • Condensate sensor
  • Wiring harness
  • PCB

Related codes

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