Fault Display Codes
* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor
Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F03 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F04 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F05 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F06 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F07 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F08 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
F09 – Error with Both Air-conditioning compressor and back up element Ph 1800 633 920
F10 – Error with back up element, unit operating via primary air-conditioning compressor Ph 1800 633 920
F11 – Error with back up element, unit operating via primary air-conditioning compressor Ph 1800 633 920
F12 – This is an over-temperature fault, reset unit. If fault persists Ph 1800 633 920
Fd – Freeze protection mode when inlet temperature falls below 5°C. If fault persists Ph 1800 633 920
E09 Incorrect system purging Water pump blocked (water not recirculating) Hydraulic circuit blocked (water not recirculating) System unpurged due to water shortage
Book Service, Call 1800 633 920
Fault Display Codes
* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor
E0 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E2 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E3 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E4 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E5 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E6 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E7 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E8 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
EF – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
EA – Error with Both Air-conditioning compressor and back up element Ph 1800 633 920
EC- This is an over-temperature fault, reset unit. If fault persists Ph 1800 633 920
Fd – Freeze protection mode when inlet temperature falls below 5°C. If fault persists Ph 1800 633 920
Fault / Error Display Codes
* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor
P01 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P02 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P03 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P04 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P05 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P06 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
P07 – Error with Air-conditioning compressor, unit operating via back up element Ph 1800 633 920
E08 – Error with Both Air-conditioning compressor and back up element Ph 1800 633 920
E01 – This is an over-temperature fault, reset unit. If fault persists Ph 1800 633 920
E09 – This is not a fault code. Freeze protection mode when inlet temperature falls below 5°C. If fault persists Ph 1800 633 920
Rheem heat pump error codes are diagnostic messages shown on the unit’s display that indicate faults such as compressor issues, sensor failures, over-temperature conditions, airflow problems, or other internal malfunctions that affect heat pump performance.
Rheem heat pump models typically display error codes as text (e.g., F01, E0) or through LED flash patterns that correspond to specific fault conditions. Refer to your owner’s manual or fault code table to identify the meaning of each code.
In some cases you can reset an error by powering the unit off, waiting a few minutes, and turning it back on. However, if the same code reappears, it usually signals a persistent issue needing professional attention.
Repeated error codes often point to unresolved faults such as blocked airflow, refrigerant problems, compressor issues, or faulty sensors inside the system — issues that should be inspected by a technician.
No — most fault codes highlight problems that affect system efficiency or safety. Even if the system keeps running, ignoring codes can lead to further damage or reduced heat pump life.
If an error persists after resetting, or if it relates to critical systems like the compressor, sensors, or refrigerant circuit, contact a licensed hot water heat pump technician for accurate diagnosis and repair.
Normal and Fault Display Codes
* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor.
Normal and Fault Display Codes
* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor
