ProTeam PC15 - 6.4 Failure Code Overview (LED)

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6.3 Overview of failure code on Display (LCD controller) – not applicable
6.4 Overview of failure code on Display (LED controller)
Wire
controller
Protection/Failure Check Solution
PP01/PP1 Inlet water temp. sensor failure
1. Check the connection of inlet water
sensor.
2. Check if the sensor is broken.
1. Reconnect the sensor.
2. Replace the sensor.
PP02/PP2 Outlet water temp. sensor failure
1. Check the connection of outlet water
sensor.
2. Check if the sensor is broken.
1. Reconnect the sensor.
2. Replace the sensor.
PP03/PP3 Coil 1 temp. sensor failure
1. Check the connection of coil 1
temperature sensor.
2. Check if the sensor is broken.
1. Reconnect the sensor.
2. Replace the sensor.
PP04/PP4 Coil 2 temp. sensor failure
1. Check the connection of coil 2
temperature sensor. temperature
2. Check if the sensor is broken.
1. Reconnect the sensor. 2.
Replace the sensor.
PP05/PP5 Ambient temp. sensor failure
1. Check the connection of ambient
temperature sensor.
2. Check if the sensor is broken.
1. Reconnect the sensor.
2. Replace the sensor.
PP06/PP6
Protection for excessive temp.
difference between water inlet &
outlet
1. Check if there is any blockage in the
water circuit.
2. Check if the water flow volume is
enough.
3. Check if the water pump is working.
1. Remove the cause of the
blockage.
2. Increase the water flow
volume. 3. Repair or replace
the water pump.
PP07/PP7 Anti-freeze protection for cooling
Refer to PP06. Refer to PP06.
PP07/PP7
Winter anti-freeze protection Ⅰ
No action required
PP07/PP7
Winter anti-freeze protection Ⅱ
No action required
EE03/EE3 Water flow switch failure
1. Check if wiring connection of flow
switch is in correct position.
2. Check water flow.
3. Check if flow switch is broken.
4. Check if water pump is working.
1. Reconnect the wiring.
2. Increase water flow.
3. Replace flow switch.
4. Repair or replace water
pump.
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.