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Test or Low Noise Mode active (not a fault)
Preventing water from draining.
Preventing the unit from filling with water.
Door or panel is open.
Potentially affecting the fan or compressor.
Motor fault or main PCB (Printed Circuit Board) issue.
Short circuiting related to the motor or PCB.
Refrigerant leakage detected in Quantum Series systems (common refrigerant-related code).
The unit doesn’t power on or blows air without cooling. Tripped circuit breaker or blown fuse, Faulty power cord or internal board ...
The internal water tank (or condensate tray) is full, and the unit has stopped cooling to prevent overflow. Some models trigger this error when the drain hose is kinked, the pump is faulty, or the auto-evaporation system fails.
Fault detected in current sensor monitoring electrical flow.
Filter needs cleaning – regular maintenance alert.
Auto-clean cycle is running to prevent mold and odor.
Outdoor unit is defrosting – normal for cold or humid conditions.
EEPROM or PCB error in indoor unit – requires technician.
Sensor or wiring problem in outdoor PCB – voltage issue possible.
Indoor and outdoor units can`t communicate properly. Check wiring.
Coil sensor or zero crossing detection problem.
Fan inside AC not running properly or coil issue.
Room temperature sensor faulty or giving wrong info.
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Total Items: 63
