5�2 Protection Codes; 5�3 Fault Codes - Calorex C-PAC+ CPT6 ALY Owners & Installation Manual

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