Checking points
·Direct sunlight and other intense light make the remote control light-receiving unit less sensitive.
·Check for any time zone where the remote control light-receiving unit of the indoor unit is affected by
ǂdirect sunlight depending on the location of the sun and mirror reflection.
Actions proposed
·Block the sunlight to protect against direct sunlight.
Checking points
·Using a wireless transmitter near the air-conditioner may affect the reception of remote control signals.
·Have your users try sending signals with a wireless transmitter and examine their effects on the
ǂreception of remote control signals.
Actions proposed
·Add a ferrite core to the power cord and F cable.
·Add a ferrite core to the internal wiring of the indoor unit.
·Move the wireless antenna.
Checking points
·Check the effects of light and power noises coming from other electrical products.
·Turn on and off the electrical products, turn off the power and turn on the power, and check their effects
on the reception of remote control signals.
·For products whose operating states change, check the effects of each state.
Actions proposed
·Change the location relationship between the air-conditioner and the target products.
·Use a different wall outlet for the target products.
Checking points
·Check for effects of electrical noises coming into the air-
ǂconditioner through grounding wires.
·Check if the grounding works is for the air-conditioner alone or
ǂshared with other equipment. If there is any equipment that
ǂshares it, turn on and off that equipment and detach and
ǂreattach the power plugs and examine their effects on the
ǂreception of remote control signals.
Actions proposed
·Establish an independent grounding for the air-conditioner.
Effects of other
electrical products
Sharing
a grounding
Air-conditioner
Other
equipment
Grounding
Effects of radio
waves
Effects of direct
sunlight
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