Verified shared codeset
Every result below passed dual extraction agreement and source-anchor checks.
DISPLAY codeset
7 documented fault codes, shared only by the compatible models listed here.
In the display order below, the held evidence set runs from Quantum 150-08ACW-134 to Quantum 340-17ACW-134; its published labels start with E01 and end with E08. 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 open or shorted water-temperature sensor circuit.
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 open or shorted compressor-temperature sensor circuit.
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 an open or shorted evaporator-temperature sensor circuit.
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 compressor overload protection.
A licensed technician confirms the actual cause.
View the canonical E04 resultFault code
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Documented as compressor overheat protection above the H95 setting.
A licensed technician confirms the actual cause.
View the canonical E05 resultFault code
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Documented as compressor overheat protection above 105 °C.
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 an open or shorted optional ambient-temperature sensor circuit.
A licensed technician confirms the actual cause.
View the canonical E08 resultOfficial source
Quantum Energy Technologies. Quantum Domestic Heat Pump Owner Manual QDC0030PD-11. Retrieved .