Fault code
E01
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as high pressure protection.
A licensed technician confirms the actual cause.
View the canonical E01 resultVerified shared codeset
Every result below passed dual extraction agreement and source-anchor checks.
DISPLAY codeset
14 documented fault codes, shared only by the compatible models listed here.
In the display order below, the held evidence set runs from EvoHeat EVO270-1 to EvoHeat EVO150-1; its published labels start with E01 and end with P09. The source and each model-mapping record remain visible on this page.
This result is published only for the models explicitly covered by the source evidence.
Fault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as high pressure protection.
A licensed technician confirms the actual cause.
View the canonical E01 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as low pressure protection.
A licensed technician confirms the actual cause.
View the canonical E02 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a water flow failure.
A licensed technician confirms the actual cause.
View the canonical E03 resultFault code
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Documented as electric-heater overheat protection.
A licensed technician confirms the actual cause.
View the canonical E04 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as anti-freeze protection.
A licensed technician confirms the actual cause.
View the canonical E07 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a communication failure.
A licensed technician confirms the actual cause.
View the canonical E08 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as winter defrost protection.
A licensed technician confirms the actual cause.
View the canonical E09 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a bottom water temperature failure.
A licensed technician confirms the actual cause.
View the canonical P01 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a top tank water temperature failure.
A licensed technician confirms the actual cause.
View the canonical P02 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a solar temperature failure.
A licensed technician confirms the actual cause.
View the canonical P034 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an ambient temperature failure.
A licensed technician confirms the actual cause.
View the canonical P04 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a coil temperature failure.
A licensed technician confirms the actual cause.
View the canonical P05 resultFault code
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Documented as a refrigerant absorption temperature failure.
A licensed technician confirms the actual cause.
View the canonical P07 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an anti-freeze temperature failure.
A licensed technician confirms the actual cause.
View the canonical P09 resultOfficial source
EvoHeat. EvoHeat Evo 270-1 Manual. Retrieved .