Drazice heat pump water heater shows H5; compressor does not run or runs briefly then stops.
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.
Possible Causes
How to Fix / Troubleshooting
Warning: Refrigerant handling requires certified personnel. Do not attempt to repair leaks or recharge yourself.
Owner checks:
- Ensure that the air intake is not blocked and that filters (if present) are clean.
- Reset the unit by turning OFF/ON at the main switch.
If H5 persists, contact an authorized Drazice service center to locate and repair leaks, evacuate and recharge the system, and test the low-pressure switch.
Repair Difficulty
Required Part
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