NO.
Failure code
Failure
code
Failure description Action
1 EE 1 High pressure protection Contact your dealer.
2 EE 2 Low pressure protection Contact your dealer.
3 EE 3 Low water pressure protection
1. Check if there is no water
through the machine; make
sure the pump is on.
2. Or contact your dealer.
4 EE 4
A.Single phase machine: failure
connection due to loose wire terminal
of PROT2 on the PC board;
B.3 phase sequence protection.
Contact your dealer.
5 PP 1
Swimming pool heat pump sensor
failure
Contact your dealer.
6 PP 2 Exhaust sensor failure Contact your dealer.
7 PP 3 Coil pipe sensor failure Contact your dealer.
8 PP 4 Intake pipe sensor failure Contact your dealer.
9 PP 5 Air temp sensor failure Contact your dealer.
10 PP 6
Compressor exhaust overload
protection
Contact your dealer.
11
When the air temperature ＜0℃,
auto stop for protection (Not Failure )
PP 7 Machine Auto-protection
17
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