Zodiac PX50 MD12, Instructions For Installation And Use Manual

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21
4.2 I Error code display
Display Possible causes Solutions
PP01
Faulty inlet water temperature sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP02
Faulty outlet water temperature sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP03
Faulty coil temperature sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP04
Faulty discharge gas temperature sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP05
Faulty ambient temperature sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP06
Faulty cooling condenser sensor
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP07
Winter frost protection
Ambient temperature or input water
temperature too low.
Check D3 and D1.
PP08
Ambient temperature protection too low
The ambient temperature is too low.
Check D3.
Sensor disconnected or out of order.
Reconnect or replace the sensor.
PP10
Condenser cooling temperature too high
protection
Ambient temperature too high Check the temperature.
Refrigerant problem
Check the refrigerant.
PP11
Water temperature too cold protection in
cooling mode
Water flow too low
Check the water flow rate and by-
pass.
Abnormal temperature of d2-TH5
sensor
Check the refrigerant and d2-TH5
sensor.
EE01
High pressure protection
Ambient temperature too high.
Check the water flow rate and by-
pass.
Water temperature too high.
Check the fan.
Check the fan speed.
Check the refrigerant.
EE02
Low pressure protection
Low-pressure sensor broken.
Replace the high-pressure sensor.
Insufficient level of refrigerant.
Add refrigerant.
Ambient temperature and input
water temperature too low.
Send the pump to the retailer for a
detailed inspection.
EE03
Water flow rate protection
Flow switch incorrectly positioned.
Re-make the connections.
Insufficient water flow. Increase the water flow rate.
Broken flow switch.
Replace the flow switch.
Faulty filter pump. Repair or replace the filter pump.
EN