Turn off the circuit breaker supplying power to the AC, wait 1–5 minutes, and turn it back on. This can clear temporary electronic glitches. Check Power Supply:
A technician can use a multimeter to check the AC voltage supplied to the fan motor. It should typically range from to 170V AC (high speed) . lg ch 73 error
LG is a well-known and reputable brand in the electronics industry, particularly when it comes to home appliances and consumer electronics. Their products, including refrigerators, washing machines, and air conditioners, are widely used across the globe. However, like any other electronic device, LG products can sometimes encounter errors and malfunctions. One such error code that has been reported by several LG users is the "LG CH 73 error." In this article, we will discuss what this error code means, its possible causes, and most importantly, how to fix it. Turn off the circuit breaker supplying power to
When the indoor unit sends a signal to the outdoor unit and does not receive a valid reply within a specific timeframe (usually 30 seconds to 2 minutes), the system halts all operations and displays . This is a safety lockout—the system refuses to run because it cannot confirm the outdoor unit is safe to operate. It should typically range from to 170V AC (high speed)
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If the reset doesn't work, the physical connection may be compromised.