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General| Brand | Haier |
|---|---|
| Model | AW24ES2VHB |
| Category | Air Conditioner |
| Language | English |
Details the PCBs, connectors, and fuses of the outdoor control system.
Description of the variable speed DC inverter compressor and its operation.
Description and function of discharge, defrost, ambient, and suction line sensors.
Details the indoor control board, its connectors, and DIP switches.
Description of ambient and coil temperature sensors for indoor unit control.
Explains cooling mode operation, including sensors, fan speed, and compressor control.
Describes heating mode, cold air proof operation, and defrost initiation.
Details defrosting program entry conditions, actions, and exit criteria.
Outlines various system protection mechanisms against overheating and freezing.
Lists indoor display error codes and their corresponding descriptions.
Troubleshooting steps for errors related to the Intelligent Power Module (IPM).
Diagnostic procedures for compressor over-current protection.
Troubleshooting for communication issues between IPM and Outdoor PCB.
Diagnostic steps for power supply voltage being too high or too low.
Troubleshooting for overheat protection related to discharge temperature.
Steps to diagnose and resolve communication failures between indoor and outdoor units.
