Fault code
E01
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an ambient temperature sensor fault.
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
10 documented fault codes, shared only by the compatible models listed here.
In the display order below, the held evidence set runs from Rinnai EHPA300VM to Rinnai EHPG265VM; its published labels start with E01 and end with E10. 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 an ambient temperature sensor fault.
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 an upper tank temperature sensor fault.
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 discharge temperature sensor fault.
A licensed technician confirms the actual cause.
View the canonical E03 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an evaporator temperature sensor fault.
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 a suction temperature sensor fault.
A licensed technician confirms the actual cause.
View the canonical E05 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a lower tank temperature sensor fault.
A licensed technician confirms the actual cause.
View the canonical E06 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as high-pressure switch 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 discharge temperature being too high.
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 low supply voltage.
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 high supply voltage.
A licensed technician confirms the actual cause.
View the canonical E10 resultOfficial source
Rinnai Australia. Rinnai Enviroflo AR and GR Series Heat Pumps Error Codes. Retrieved .