What to do if DeDietrich Heat Pump displays BL.BL INPUT OPEN error?
If your DeDietrich Heat Pump shows a BL.BL INPUT OPEN error, it indicates that the BL inlet on the PCU PCB terminal block is open, meaning there's no antifreeze protection. First, check the contact on the BL inlet. Also, check the parameter E. BL and inspect the wiring.
Why does my DeDietrich Heat Pump show BL.MIT/MHR S. error?
The BL.MIT/MHR S. error on your DeDietrich Heat Pump indicates that the MIT flow sensor is short-circuited or on an open circuit. To resolve this, check the wiring between the PCU PCB and the sensor. Also, ensure that the SU PCB is correctly in place and that the sensor has been correctly fitted. Finally, check the sensor resistor.
How to fix BL.PSU ERROR on DeDietrich AWHP MIT-IN iSystem?
The BL.PSU ERROR on your DeDietrich Heat Pump means the PSU PCB is incorrectly configured. You should set the type of generator again in the menu #CONFIGURATION, referring to the original rating plate.
What to do if my DeDietrich AWHP MIT-IN iSystem Heat Pump shows a parameter error?
If your DeDietrich Heat Pump shows a parameter error, this indicates an issue that requires professional attention. It's best to contact a qualified technician who can properly diagnose and resolve the problem.
What to do if my DeDietrich AWHP MIT-IN iSystem displays a BL.PSU ERROR?
If your DeDietrich Heat Pump is displaying a BL.PSU ERROR, it means the PSU PCB is incorrectly configured. It is best to contact the professional who takes care of maintenance of the appliance.
What does BL.MIT/MHR S. mean on my DeDietrich AWHP MIT-IN iSystem Heat Pump and how to fix it?
If your DeDietrich Heat Pump displays a BL.MIT/MHR S. error, it indicates that the MIT flow sensor is either short-circuited or on an open circuit. Contact the professional who takes care of maintenance of the appliance.
Why does my DeDietrich AWHP MIT-IN iSystem Heat Pump show a BL.BL INPUT OPEN error?
A BL.BL INPUT OPEN error on your DeDietrich Heat Pump indicates that the BL inlet on the PCU PCB terminal block is open, meaning there is no antifreeze protection. Contact the professional who takes care of maintenance of the appliance.
General| Category | Heat Pump |
|---|---|
| Refrigerant | R32 |
| Power Supply | 220-240V, 50Hz |
| Operating Temperature Range (Cooling) | +10 to +46 °C |
| Type | Air-to-Water Heat Pump |
| Operating Temperature Range (Heating) | -20 to +35 °C |
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