Expert doorstep diagnosis for Daikin Streamer / Dual Inverter ACs and Voltas Adjustable Inverter ACs: Deep jet pump cleaning, copper pipe brazing, R32/R410A gas refilling, and outdoor inverter PCB circuit repairs.
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Diagnosing outdoor unit communication error codes (Daikin U4, L5; Voltas E1, E6), IGBT replacement, and power supply surge protection.
High-pressure nitrogen leak testing, vacuum evacuation below 500 microns, copper valve brazing, and pure weight-measured gas refilling.
Indoor evaporator coil jacket wash, drain tray declogging to stop water dripping inside room, and outdoor condenser high-pressure jet cleaning.