COMFORTPOOL PRO+5 Installation Instructions Manual page 19

The first time freezing
protection in winter
The second time
freezing protection in
winter
Coil sensor failure
(Cooling mode)
High pressure protection EE 01
Low pressure protection
Flow switch failure
Power supply
connections wrong (for
3phase unit)
3times display PP06
(Temp. is too much
different between water-
in&out) in 30minutes
Defrosting
Communication failure
PP 07 Ambient temp. too low
PP 07 Ambient temp. too low
The sensor is open or short
PP 08
circuit
Refrigerant system pressure
is high
Refrigerant system pressure
E E02
is low
EE 03
No water/little water in water
system.
Wrong phase or
EE 04 lack of phase power
connection
Water flow volume not
enough, water pressure
EE 05
difference is too low
Defrost code
display
Wire controller and The PCB
EE 08
connection failure
Check or change the sensor
Check pressure gauge, increase
the water volume
Check pressure gauge, refeed
refrigerant
- Check the water flow volume
- Clean filter
- Execute backwash of filter
pump
Check connections of power
cable
Check the water flow volume, or
water system is jammed or not
Check the wire connection
19