Verified shared codeset
Every result below passed dual extraction agreement and source-anchor checks.
PCB codeset
16 documented fault codes, shared only by the compatible models listed here.
In the display order below, the held evidence set runs from Reclaim Energy REHP-CO2-160GL-V2 to Reclaim Energy REHP-CO2-400SST-V2; its published labels start with E1 and end with U2. 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 a main printed circuit board failure.
A licensed technician confirms the actual cause.
The manufacturer's documentation indicates this fault may clear after power is switched off at the isolator for a few minutes. Only do this if the isolator is accessible without opening anything, and never repeatedly.
Fault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a compressor start-up failure.
A licensed technician confirms the actual cause.
View the canonical E6 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a stop triggered by detected input overcurrent.
A licensed technician confirms the actual cause.
View the canonical E8 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as abnormal compressor revolution.
A licensed technician confirms the actual cause.
View the canonical H6 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a current detection error.
A licensed technician confirms the actual cause.
The manufacturer's documentation indicates this fault may clear after power is switched off at the isolator for a few minutes. Only do this if the isolator is accessible without opening anything, and never repeatedly.
Fault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an outdoor temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical H9 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as an outgoing water temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical HC resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a discharge temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical J3 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a suction temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical J5 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a defrost temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical J6 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a return water temperature sensor error.
A licensed technician confirms the actual cause.
View the canonical J8 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a module temperature error at 90°C or higher.
A licensed technician confirms the actual cause.
View the canonical L4 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as detected output overcurrent.
A licensed technician confirms the actual cause.
View the canonical L5 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a module sensor error.
A licensed technician confirms the actual cause.
The manufacturer's documentation indicates this fault may clear after power is switched off at the isolator for a few minutes. Only do this if the isolator is accessible without opening anything, and never repeatedly.
Fault code
Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.
Documented as a stop triggered by detection of gas leakage.
A licensed technician confirms the actual cause.
View the canonical U0 resultFault code
Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.
Documented as a power voltage error.
A licensed technician confirms the actual cause.
The manufacturer's documentation indicates this fault may clear after power is switched off at the isolator for a few minutes. Only do this if the isolator is accessible without opening anything, and never repeatedly.
Official source
Reclaim Energy. Reclaim Energy V2 Installation Manual, Issue 15 (June 2026). Retrieved .