19
The first time freezing
protection in winter
PP 07
Ambient temp. too low
The second time
freezing protection in
winter
PP 07
Ambient temp. too low
Coil sensor failure
(Cooling mode)
PP 08
The sensor is open or short
circuit
Check or change the sensor
High pressure protection EE 01
Refrigerant system pressure
is high
Check pressure gauge, increase
the water volume
Low pressure protection E E02
Refrigerant system pressure
is low
Check pressure gauge, refeed
refrigerant
Flow switch failure
EE 03
No water/little water in water
system.
- Check the water flow volume
- Clean filter
- Execute backwash of filter
pump
Power supply
connections wrong (for
3phase unit)
EE 04
Wrong phase or
lack of phase power
connection
Check connections of power
cable
3times display PP06
(Temp. is too much
different between water-
in&out) in 30minutes
EE 05
Water flow volume not
enough, water pressure
difference is too low
Check the water flow volume, or
water system is jammed or not
Defrosting
Defrost code
display
Communication failure
EE 08
Wire controller and The PCB
connection failure
Check the wire connection
Содержание PRO+10
Страница 15: ...15 ...
Страница 20: ...20 7 Wiring diagram Model PRO 5 PRO 7 PRO 10 PRO 13 ...
Страница 21: ...21 Model PRO 18 PRO 24 ...
Страница 35: ...35 ...
Страница 40: ...40 7 Bedradingsdiagram Model PRO 5 PRO 7 PRO 10 PRO 13 ...
Страница 41: ...41 Model PRO 18 PRO 24 2 ...