Brand: HAYWARD
Category: Heat Pump
Manual Type:
Language:
Manual for HP50TR - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:56 p.m.
Warranty Summary
HAYWARD heat pump pool heater is warranted for one (1) year for parts and labor, with limited warranties up to five years on specific components, valid in Canada.
Operation Summary
- Turn ON/OFF the unit: Press the ON/OFF key for 0.5s to turn on or off the unit.
- Setting Temperature: In running interface, press Up or Down key to make the target temperature flash, then use Up or Down key to adjust.
- Mode Switch: In main interface, press Up and Down keys for 0.5s to set the mode, then use Up or Down keys to switch between cooling, heating and auto modes.
- Setting/Displaying Temperatures: Press Up or Down key when operating to display set point, adjust with Up or Down keys. Hold Down key for 2s to view outlet temperature.
- Keyboard Lock: Press ON/OFF key for 5 seconds to lock/unlock the keyboard.
Troubleshooting and error codes
| Malfunction | Display | Cause | Solution |
|---|---|---|---|
| Water inlet temp. Sensor failure | P01 | The water inlet temp. Sensor is open or short circuit | Check or change the water inlet temp. Sensor |
| Water outlet temp. Sensor failure | P02 | The water outlet temp. sensor is open or short circuit | Check or change the water outlet temp. Sensor |
| Ambient temp. Sensor failure | P04 | The ambient temp. sensor is open or short circuit | Check or change the ambient temp. Sensor |
| Pipe temp. Sensor failure | P05 | The pipe temp. sensor is open or short circuit | Check or change the pipe temp. Sensor |
| Evaporator temp. Sensor failure | P07 | The evaporator temp. Sensor is open or short circuit | Check or change the evaporator temp. Sensor |
| High pressure protect | E01 | The exhaust pressure is high , high pressure switch action | Check high pressure switch and cooling return circuit |
| Low pressure protect | E02 | The suction pressure is low, Low pressure switch action | Check low pressure switch and cooling return circuit |
| Flow switch failure | E03 | No water or litter water in water system | Check the flow volume, water pump is failure or not |
| Temp. is too much different between water-inlet and outlet | E06 | Water flow volume not enough, Water system pressure difference is small | Check the flow volume, water system is jammed or not |
| Antifreezing under cooling mode | E07 | Water flow volume not enough | Check the flow volume, water system is jammed or not |
| The primary anti-freezing protection start. | E19 | Ambient temperature is too low | |
| The second anti-freezing protection start | E29 | Ambient temperature is too low | |
| Communication failure | E08 | Communication failure between remote wire controller and main board | Check the wire connection between remote wire controller and main board |
Troubleshooting and error codes
| Malfunction | Display | Cause | Solution |
|---|---|---|---|
| Water inlet temp. Sensor failure | P01 | The water inlet temp. Sensor is open or short circuit | Check or change the water inlet temp. Sensor |
| Water outlet temp. Sensor failure | P02 | The water outlet temp. sensor is open or short circuit | Check or change the water outlet temp. Sensor |
| Ambient temp. Sensor failure | P04 | The ambient temp. sensor is open or short circuit | Check or change the ambient temp. Sensor |
| Pipe temp. Sensor failure | P05 | The pipe temp. sensor is open or short circuit | Check or change the pipe temp. Sensor |
| Evaporator temp. Sensor failure | P07 | The evaporator temp. Sensor is open or short circuit | Check or change the evaporator temp. Sensor |
| High pressure protect | E01 | The exhaust pressure is high , high pressure switch action | Check high pressure switch and cooling return circuit |
| Low pressure protect | E02 | The suction pressure is low, Low pressure switch action | Check low pressure switch and cooling return circuit |
| Flow switch failure | E03 | No water or litter water in water system | Check the flow volume, water pump is failure or not |
| Temp. is too much different between water-inlet and outlet | E06 | Water flow volume not enough, Water system pressure difference is small | Check the flow volume, water system is jammed or not |
| Antifreezing under cooling mode | E07 | Water flow volume not enough | Check the flow volume, water system is jammed or not |
| The primary anti-freezing protection start. | E19 | Ambient temperature is too low | |
| The second anti-freezing protection start | E29 | Ambient temperature is too low | |
| Communication failure | E08 | Communication failure between remote wire controller and main board | Check the wire connection between remote wire controller and main board |