Er5
Raypak
Compressor Overload or Discharge Temperature Error
Raypak heat pump shows Er5; compressor will not start.
Advertisements
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Advertisements
Possible Causes
High discharge temperature due to low airflow, Blocked condenser coil, Failing compressor, Faulty discharge temperature sensor
How to Fix / Troubleshooting
Safety first: Turn off power and do not touch refrigerant lines; they can be extremely hot.
- Clean condenser coil: Remove debris and gently wash the coil fins from inside out with low‑pressure water. Maintain clear airflow around the unit.
- Check fan operation: Ensure the condenser fan starts and runs smoothly whenever the compressor is called. Replace the fan motor or capacitor if the fan is not running.
- Inspect discharge sensor: Locate the discharge line sensor on the compressor outlet. Ensure it is properly attached and wiring is intact.
- Call a technician: If Er5 persists after cleaning and verifying fan operation, a licensed Raypak technician should evaluate compressor health and refrigerant system.
Advertisements
Repair Difficulty
Professional Required
5/5
Required Part
Discharge Temperature Sensor
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements