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Baxi EcoBlue Combi and System Boiler Error Codes
Baxi EcoBlue Combi and System Boiler Error Codes

Baxi EcoBlue Combi and System Boiler Error Codes

Baxi EcoBlue Combi and System Boiler Error Codes

 

Attention: You can only go so far when it comes to DIY boiler maintenance. However, for a more rigorous inspection, with the right tools and expertise, you'll need to contact a professional. A Gas Safe Registered engineer will conduct a proper boiler maintenance check.

 

 

Baxi Boiler Error Code: E10

Possible Fault: Outdoor Sensor Error

Action: Outdoor Sensor Fault, Check the Sensor: Check in IP Menu the Outdoor Sensor Value Reads Correctly.

 

Baxi Boiler Error Code: E20

Possible Fault: Central Heating Thermistor Sensor Fault

Action: Check resistance reading across the Sensor is approx. 12kohms at 25 degrees c. if not suspect sensor.

 

 

Baxi Boiler Error Code: E28

Possible Fault: Flue Thermistor Fault

Action: Check flue Sensor Value Reads Correctly. Check for blocked flue.

 

 

Baxi Boiler Error Code: E54

Possible Fault: HW Flow Sensor Fault

Action: Check resistance reading across the Sensor is approx. 12kohms at 25 degrees c. if not suspect sensor.

 

 

Baxi Boiler Error Code: E78

Possible Fault: Water Pressure Sensor Fault

Action: Replace the water pressure sensor.

 

 

Baxi Boiler Error Code: E100

Possible Fault: Internal Clock Time Error On PCB

Action: Not Correct Configuration of Clock Time; Reset clock.

 

 

Baxi Boiler Error Code: E109

Possible Fault: Poor Circulation

Action: Check pump; Check that the system is full of water; Check for blockages in the system.

 

 

Baxi Boiler Error Code: E110

Possible Fault: Boiler Overheat Tripped

Action: Check that boiler temp is not over 110 degrees C; Check for continuity across the O/H stat; Check pump for circulation; Clear air from system.

 

 

Baxi Boiler Error Code: E111

Possible Fault: Maximum Limit of Flow Temperature

Action: Check that boiler temp is not over 110 degrees C; Check for continuity across the O/H stat; Check pump for circulation; Clear air from system.

 

 

Baxi Boiler Error Code: E117

Possible Fault: System Pressure High (> 2.9 Bar)

Action: This Is Displayed When the Primary Water Pressure Is Greater Than 2.8 Bar. Drain water from system until pressure is at 1 - 1.5bar. Check expansion vessel is charged.

 

Baxi Boiler Error Code: E118

Possible Fault: System Pressure Low (< 0.5 Bar)

Action: Check for water leaks; Check the expansion vessel has the correct charge; Add Water Via Filling Loop. Restoring The Correct Pressure Will Reset The Error.

 

 

 

Baxi Boiler Error Code: E119

Possible Fault: System Pressure Low (< 0.5 Bar)

Action: Check for water leaks; Check the expansion vessel has the correct charge; Add Water Via Filling Loop. Restoring The Correct Pressure Will Reset The Error.

 

Baxi Boiler Error Code: E125

Possible Fault: Primary Water Circulation Fault

Action: Check pump; Check that the system is full of water; Clear air from system; Check for blockages in the system; Check that the thermistors are correctly located.

 

 

Baxi Boiler Error Code: E127

Possible Fault: Legionella Protection Temperature Not Reached

Action:

 

 

Baxi Boiler Error Code: E128

Possible Fault: Loss of Flame During Operation

Action: Loss of Flame In Operation; Check Clean Or Replace The Sensing Electrode, Clean The Burner Surface And Re-Calibrate.

 

 

Baxi Boiler Error Code: E133

Possible Fault: Ignition Fault

Action: Check The Wiring; Check The Supply Pressure; Purge The Gas Supply To Remove Air; Check for spark at electrode; Check Ignition and sensing Electrode Condition and Clean/Replace If Necessary; Check Gas Valve is opening; Check Condensate Drain For Blockage.

 

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Baxi Boiler Error Code: E153

Possible Fault: Forced Reset Unit Unlocked

Action: Heating Flow Switch Error (Ireland) Pressure Sensor Error (UK)

 

Baxi Boiler Error Code: E160

Possible Fault: Fan Fault

Action: Check the Fan and The Cable; Probable cause fan failure.

 

 

Baxi Boiler Error Code:  E162

Possible Fault: Air Pressure Switch Error

Action: Check connections across air pressure switch.

 

 

Baxi Boiler Error Code: E164

Possible Fault: Heating Flow Switch Error (Ireland) Pressure Sensor Error (UK)      

Action: Heating Flow Switch Error (Ireland) Pressure Sensor Error (UK)

 

 

Baxi Boiler Error Code: E166

Possible Fault: Air Pressure Switch Fault

Action: Check connections across air pressure switch.

 

 

Baxi Boiler Error Code: E270

Possible Fault: Dry Fire

Action: Check The Sensor; Check the system has water in it; Check the pump for circulation.

 

 

Baxi Boiler Error Code: E432

Possible Fault: Earth Connection Error    

Action: Check electrical supply to appliance.

 

Baxi Boiler Error Code: E433

Possible Fault: Heat Exchanger Temperature Exceeded (Greater Than 95 Degrees)             

Action: This is a temporary error and will clear automatically.

 

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