What to do if oil temperature sensor Th, Toil1 and Toil2 failure in Haier MRV 5-RC AB182MRERA?
If the oil temperature sensors Th, Toil1 and Toil2 fail in your Haier Heat Pump, the solution is to have them correctly replaced by after-sales personnel on site.
How to fix communication failure between indoor and outdoor unit of Haier MRV 5-RC AB182MRERA Heat Pump?
If there's a communication failure between the indoor and outdoor units of your Haier Heat Pump, the solution is to have after-sales personnel on site correctly replace it.
What to do if ambient temperature sensor Tao failure in Haier Heat Pump?
If the ambient temperature sensor Tao fails in your Haier Heat Pump, the solution is to have it correctly replaced by after-sales personnel on site.
What to do if outdoor unit compressor discharging temperature (Td1, Td2) too low failure in Haier Heat Pump?
If the outdoor unit compressor discharging temperature (Td1, Td2) is too low in your Haier Heat Pump, the suggested solution is to have the discharging temperature sensor replaced by after-sales personnel on site.
What to do if outdoor compressor oil temperature (Toil1, Toil2) too low failure in Haier MRV 5-RC AB182MRERA?
If the outdoor compressor oil temperature (Toil1, Toil2) is too low in your Haier Heat Pump, the solution is to have the oil temperature sensor replaced by after-sales personnel on site.
How to fix high pressure switch HPS1 and HPS2 failure in Haier Heat Pump?
If there's a failure of the high pressure switch HPS1 and HPS2 in your Haier Heat Pump, the solution is to have it correctly replaced by after-sales personnel on site.
What to do if low pressure sensor Ps failure in Haier MRV 5-RC AB182MRERA?
If the low pressure sensor Ps fails in your Haier Heat Pump, have it correctly replaced by after-sales personnel on site.
What to do if high pressure sensor Pd failure in Haier MRV 5-RC AB182MRERA?
If the high pressure sensor Pd fails in your Haier Heat Pump, have it correctly replaced by after-sales personnel on site.
How to resolve compressor out of control in Haier MRV 5-RC AB182MRERA Heat Pump?
If the compressor is out of control in your Haier Heat Pump, the suggested solution is to replace the variable frequency control board.
What to do for fan motor module hardware over current in Haier Heat Pump?
If the fan motor module in your Haier Heat Pump experiences a hardware over current issue, the solution is to replace the fan motor.
Provides detailed technical specifications for various outdoor unit models.
Provides essential safety guidelines and instructions for installing the outdoor unit.
Details critical safety precautions to prevent accidents during installation.
Covers general installation checks and unit combination guidelines.
Outlines the step-by-step procedures for installing the system components.
Explains the method and cautions for connecting refrigerant pipes.
Details electrical wiring requirements, including safety and connection standards.
Lists the specifications for the VP4-450B valve box.
Covers installation procedures and safety precautions for the valve box.
Details critical warnings, attention points, and prohibitions for valve box installation.
Shows the layout of the outdoor PCB and details dip switch settings.
Provides a photo and dip switch settings for the one-by-four valve box PCB.
Details compressor operations including cycle start, number changes, and delays.
Lists failure codes specific to the outdoor unit.
Details failure codes, their descriptions, and remarks for diagnosis.
Troubleshooting steps for defrosting temperature sensor (Tdef) failures.
Troubleshooting steps for ambient temperature sensor (Tao) failures.
Troubleshooting steps for suction temperature sensor (Ts) failures.
Troubleshooting steps for discharging temperature sensor (Td1, Td2) failures.
Troubleshooting steps for high pressure sensor (Pd) failures.
Troubleshooting steps for low pressure sensor (Ps) failures.
Troubleshooting for high pressure switch (HPS1, HPS2) failures.
Troubleshooting for compressor ratio too high protection.
Troubleshooting steps for communication failures between outdoor units.
Troubleshooting for communication failures with INV1/INV2 module boards.
Troubleshooting for communication failures with fan motor module boards.
Troubleshooting for communication failures with wireless modules.
Troubleshooting for over current protection of LEVa1,2 and LEVb,c.
Troubleshooting for open circuit faults in LEVa1,2 and LEVb,c.
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