ProTeam P10 - Failure Code Table for Protect 300

32
EE04/EE4
High / Low pressure
protection
1. Check if high or low pressure switch is
broken.
2. Check if refrigerant level is low (for
low pressure).
3. Ambient temp. and water inlet temp.
is too low (for low pressure).
4. Check if there is a blockage in water
circuit or if water flow is not enough (for
high pressure).
5. Check if there is a blockage in
refrigerant circuit (for high pressure).
1. Replace pressure switch.
2. Fill up with enough
refrigerant.
3. Decrease water flow.
4. Remove cause of blockage or
increase water flow.
5. Send heat pump to dealer for
detailed check.
EE05/EE5
Failure of excessive temp.
difference protection between
water inlet & outlet
1. Check if there is enough water flow
volume.
2. Check if inlet / outlet water temp.
sensor is working.
1. Increase water flow.
2. Replace sensor.
No display Defrosting
EE08/EE8 Communication failure Check the connection Reconnect the connection wire.
6.6 Failure code table for Protect 300