Daikin FTYNV20AV1 Owner's Manual page 34

Malfunction analysis
Phenomenon
Odours are
emitted
Air conditioner
operates
suddenly
Outdoor unit
has vapor
"Water
flowing" noise
Cracking
noise
Warning
■ When the following phenomenon occurs, please turn off the air conditioner and
disconnect power immediately, and then contact the dealer or qualified
professionals for service.
● Power cord is overheating or damaged.
● There's abnormal sound during operation.
● Earth leakage circuit breaker trips off frequently.
● Air conditioner gives off burning smell.
● Indoor unit is leaking.
■ Do not repair or refit the air conditioner by yourself.
■ If the air conditioner operates under abnormal conditions, it may cause
malfunction, electric shock or fire hazard.
Check items
● Whether there's odour
source, such as furniture and
cigarette, etc.
● Whether there's interference,
such as thunder, wireless
devices, etc.
● Heating mode is turned on?
● Air conditioner is turned on or
turned off just now?
● Air conditioner is turned on or
turned off just now?
● Eliminate the odour source.
● Clean the filter.
● Disconnect power, put back
power, and then turn on the
unit again.
● During defrosting under
heating mode, it may
generate vapor, which is
a normal phenomenon.
● The noise is the sound of
refrigerant flowing inside the
unit, which is a normal
phenomenon.
● This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
30
Solution