Danstoker
Danstoker Boilers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Boiler controller displays E01 and burner will not start; no flame established.
Ignition Failure / No Flame Detected
E02
Boiler controller shows E02 and burner locks out shortly after flame is established.
Flame Loss During Operation
E03
Controller displays E03 and boiler shuts down on high temperature before reaching setpoint.
Overtemperature Trip / Safety Thermostat Activation
E04
Boiler controller shows E04 and burner does not start; low water level alarm active.
Low Water Level / Level Control Lockout
E05
Display shows E05 and boiler will not fire; low gas pressure or fuel pressure alarm indicated.
Low Fuel Pressure Lockout
E06
Boiler controller indicates E06; high gas pressure or fuel pressure alarm active.
High Fuel Pressure Trip
E07
Controller shows E07; flue gas temperature alarm or lockout.
Excessive Flue Gas Temperature
E08
Boiler display shows E08; flue gas temperature too low or condensation alarm on non-condensing Danstoker boiler.
Abnormally Low Flue Gas Temperature
E09
Controller indicates E09; fan or air pressure fault, burner does not start.
Combustion Air Fan / Air Proving Failure
E10
Boiler controller shows E10; flue gas draft or chimney pressure fault.
Insufficient or Excessive Draft
E11
Display shows E11; boiler locked out on low system pressure.
Low System Water Pressure
E12
Controller indicates E12; high system pressure alarm or relief valve discharge.
High System Pressure
E13
Boiler display shows E13; return temperature sensor fault.
Return Water Temperature Sensor Failure
E14
Controller shows E14; flow temperature sensor fault.
Flow Water Temperature Sensor Failure
E15
Boiler controller indicates E15; communication error between Danstoker main controller and burner management system.
Controller Communication Failure
E16
Display shows E16; burner lockout signal from burner control to Danstoker controller.
External Burner Lockout
E17
Boiler controller shows E17; gas valve train safety fault.
Gas Valve Train Safety Interlock Failure
E18
Controller indicates E18; condensate drain fault (on condensing Danstoker boilers).
Condensate Drain Blockage
E19
Boiler display shows E19; safety chain open / general safety interlock fault.
Safety Interlock Open Circuit
E20
Controller shows E20; power supply or phase fault alarm.
Mains Power / Phase Failure
Symptom
Boiler fails to start; no display or lights on Danstoker control panel.
No Power to Boiler Control
Symptom
Boiler leaking water from around the front or rear doors of the Danstoker shell boiler.
Boiler Door Gasket Failure
Symptom
Boiler makes loud banging or knocking noises during firing or shortly after burner shutdown.
Water Hammer / Kettling in Heat Exchanger
Symptom
Boiler overheats locally and trips on high limit, while system demand is low.
Poor Circulation / Pump Failure
Symptom
Boiler runs but cannot reach the set flow temperature; supply temperature remains low.
Insufficient Heat Output
Symptom
Boiler starts and stops frequently with very short run times (short cycling).
Short Cycling Due to Control or System Imbalance
Symptom
Control panel buttons or HMI on the Danstoker boiler are unresponsive or intermittent.
HMI / Control Panel Failure
Symptom
Corrosion and rust streaks visible on the exterior of the Danstoker boiler shell or around connections.
External Corrosion Due to Leaks or Condensation
Symptom
Danstoker boiler burner fan runs but burner does not progress to ignition; no flame attempt.
Pre-purge Only / No Ignition Sequence
Symptom
Danstoker boiler flue gas temperature is high and efficiency appears low despite normal firing rate.
Reduced Heat Transfer Efficiency
Symptom
Danstoker boiler shows uneven heating across sections or circuits; some areas are hot, others cold.
Hydraulic Imbalance / Poor Distribution
Symptom
Danstoker boiler trips on low water level even though the gauge glass or level indicator shows normal level (steam boiler applications).
False Low Water Indication
Symptom
Excessive vibration or rumbling from the Danstoker burner or boiler casing during operation.
Combustion Instability / Mechanical Imbalance
Symptom
Frequent air in radiators or system, gurgling noises, and need for repeated venting when using a Danstoker boiler.
Air Ingress / Poor Air Separation
Symptom
Oil smell and visible oil around the burner or on the floor beneath a Danstoker oil-fired boiler.
Oil Leak in Burner or Supply Line
Symptom
Strong smell of gas around the Danstoker boiler or gas train, but no specific error code displayed.
Gas Leak in Fuel Train
Symptom
Visible smoke or soot at the flue outlet of a Danstoker boiler; dark exhaust.
Incomplete Combustion / Sooting
Symptom
Water leaking from safety relief valve discharge pipe on Danstoker boiler.
Safety Relief Valve Discharging
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Boiler controller displays E01 and burner will not start; no flame established.
|
Ignition Failure / No Flame Detected | View Details |
| E02 |
Boiler controller shows E02 and burner locks out shortly after flame is established.
|
Flame Loss During Operation | View Details |
| E03 |
Controller displays E03 and boiler shuts down on high temperature before reaching setpoint.
|
Overtemperature Trip / Safety Thermostat Activation | View Details |
| E04 |
Boiler controller shows E04 and burner does not start; low water level alarm active.
|
Low Water Level / Level Control Lockout | View Details |
| E05 |
Display shows E05 and boiler will not fire; low gas pressure or fuel pressure alarm indicated.
|
Low Fuel Pressure Lockout | View Details |
| E06 |
Boiler controller indicates E06; high gas pressure or fuel pressure alarm active.
|
High Fuel Pressure Trip | View Details |
| E07 |
Controller shows E07; flue gas temperature alarm or lockout.
|
Excessive Flue Gas Temperature | View Details |
| E08 |
Boiler display shows E08; flue gas temperature too low or condensation alarm on non-condensing Danstoker boiler.
|
Abnormally Low Flue Gas Temperature | View Details |
| E09 |
Controller indicates E09; fan or air pressure fault, burner does not start.
|
Combustion Air Fan / Air Proving Failure | View Details |
| E10 |
Boiler controller shows E10; flue gas draft or chimney pressure fault.
|
Insufficient or Excessive Draft | View Details |
| E11 |
Display shows E11; boiler locked out on low system pressure.
|
Low System Water Pressure | View Details |
| E12 |
Controller indicates E12; high system pressure alarm or relief valve discharge.
|
High System Pressure | View Details |
| E13 |
Boiler display shows E13; return temperature sensor fault.
|
Return Water Temperature Sensor Failure | View Details |
| E14 |
Controller shows E14; flow temperature sensor fault.
|
Flow Water Temperature Sensor Failure | View Details |
| E15 |
Boiler controller indicates E15; communication error between Danstoker main controller and burner management system.
|
Controller Communication Failure | View Details |
| E16 |
Display shows E16; burner lockout signal from burner control to Danstoker controller.
|
External Burner Lockout | View Details |
| E17 |
Boiler controller shows E17; gas valve train safety fault.
|
Gas Valve Train Safety Interlock Failure | View Details |
| E18 |
Controller indicates E18; condensate drain fault (on condensing Danstoker boilers).
|
Condensate Drain Blockage | View Details |
| E19 |
Boiler display shows E19; safety chain open / general safety interlock fault.
|
Safety Interlock Open Circuit | View Details |
| E20 |
Controller shows E20; power supply or phase fault alarm.
|
Mains Power / Phase Failure | View Details |
| – |
Boiler fails to start; no display or lights on Danstoker control panel.
|
No Power to Boiler Control | View Details |
| – |
Boiler leaking water from around the front or rear doors of the Danstoker shell boiler.
|
Boiler Door Gasket Failure | View Details |
| – |
Boiler makes loud banging or knocking noises during firing or shortly after burner shutdown.
|
Water Hammer / Kettling in Heat Exchanger | View Details |
| – |
Boiler overheats locally and trips on high limit, while system demand is low.
|
Poor Circulation / Pump Failure | View Details |
| – |
Boiler runs but cannot reach the set flow temperature; supply temperature remains low.
|
Insufficient Heat Output | View Details |
| – |
Boiler starts and stops frequently with very short run times (short cycling).
|
Short Cycling Due to Control or System Imbalance | View Details |
| – |
Control panel buttons or HMI on the Danstoker boiler are unresponsive or intermittent.
|
HMI / Control Panel Failure | View Details |
| – |
Corrosion and rust streaks visible on the exterior of the Danstoker boiler shell or around connections.
|
External Corrosion Due to Leaks or Condensation | View Details |
| – |
Danstoker boiler burner fan runs but burner does not progress to ignition; no flame attempt.
|
Pre-purge Only / No Ignition Sequence | View Details |
| – |
Danstoker boiler flue gas temperature is high and efficiency appears low despite normal firing rate.
|
Reduced Heat Transfer Efficiency | View Details |
| – |
Danstoker boiler shows uneven heating across sections or circuits; some areas are hot, others cold.
|
Hydraulic Imbalance / Poor Distribution | View Details |
| – |
Danstoker boiler trips on low water level even though the gauge glass or level indicator shows normal level (steam boiler applications).
|
False Low Water Indication | View Details |
| – |
Excessive vibration or rumbling from the Danstoker burner or boiler casing during operation.
|
Combustion Instability / Mechanical Imbalance | View Details |
| – |
Frequent air in radiators or system, gurgling noises, and need for repeated venting when using a Danstoker boiler.
|
Air Ingress / Poor Air Separation | View Details |
| – |
Oil smell and visible oil around the burner or on the floor beneath a Danstoker oil-fired boiler.
|
Oil Leak in Burner or Supply Line | View Details |
| – |
Strong smell of gas around the Danstoker boiler or gas train, but no specific error code displayed.
|
Gas Leak in Fuel Train | View Details |
| – |
Visible smoke or soot at the flue outlet of a Danstoker boiler; dark exhaust.
|
Incomplete Combustion / Sooting | View Details |
| – |
Water leaking from safety relief valve discharge pipe on Danstoker boiler.
|
Safety Relief Valve Discharging | View Details |
No matching codes found
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