23
1006905 ISSUE 2
These codes indicate machine stopping due to external circumstances�
These are not faults with the heat pump�
No
Display
Reason
Solution
1
PL
No Water flow through the heat pump
Check water circuit and pool pump
2
P6/P8
Low water flow indicated by more
that 10°C difference in inlet and outlet
temperature
Check water flow and pool pump
3
PC
Frost protection. The heat pump runs for
a short time when in standby to prevent
frost build up.
This does not replace winterisation
Heat pump will resume standby one
process is completed.
5�3 FAULT CODES
No
Display
Description of fault code
1
P1
Evaporator coil pipe temp sensor failure
2
P2
Gas exhaust temp sensor failure
3
P3
Inlet water temp sensor failure
4
P4
Outlet water temp sensor failure
5
P7
Ambient temp sensor failure
6
P9
Low pressure alarm
7
E3
High exhaust temp alarm
8
E4
High pressure alarm
9
E8
Controller communication failure
When the heat pump displays these error codes
please contact your installer for advice�
5�2 PROTECTION CODES
