Not Malfunction Of The Air Conditioner - Daikin RZVF50 Installation Manual

WHAT TO DO WHEN START UP AFTER A
LONG STOP
Confirm the following
• Check that the air inlet and outlet of indoor and
outdoor unit are not blocked.
Remove any obstacle.
Obstacles decrease the fan speed, and cause
performance decrease and breakage of the
devices.
Clean the air filter
• After cleaning the air filter , make sure to attach it.
• For information on how to install, remove, or
clean an optional sold air filter , refer to the user's
manual attached to the air filter .
• Turn off the indication "- · ii'°' " or "Time to clean
filter'' displayed on the remote controller after
turning on the power.
The indication can be turned off whether in
operation or at stop.
For details, refer to the operation manual
attached to the remote controller.
Turn on the power circuit breaker at least 6
hours before operation.
• This is required in order to activate the air
conditioner smoothly, and to protect air
conditioner.
• The display on the remote controller will be shown
when the power circuit breaker is turned on.
WHAT TO DO TO STOP THE AIR CONDI­
TIONER FOR A LONG PERIOD
Turn on FAN OPERATION for a half day on the
fine day and dry the indoor unit.
• This can prevent the causes of mould.
Turn off the power circuit breaker.
• During the power circuit breaker is turned on,
some watts of electricity is being used even if the
air conditioner is not operating.
Turn off the power circuit breaker for saving
energy.
• The display on the remote controller will vanish
when the power circuit breaker is turned off.
Clean the air filter and outside panel
• Be sure to replace the air filter to its original place
after cleaning.
For information on how to install, remove, or
clean an optional sold air filter , refer to the user's
manual attached to the air filter .
NOTE-,g.
The inside of the air conditioner may become
contaminated after several seasons of use,
potentially causing performance degradation and
water leakage.
Ask your local dealer for details on cleaning the
inside of the indoor unit. This operation requires a
qualified service person.
9. NOT MALFUNCTION OF THE AIR
CONDITIONER
The following symptoms do not indicate air
conditioner malfunction
1. THE AIR CONDITIONER DOES NOT
OPERATE
• The air conditioner does not restart
immediately after the ON/OFF button is
pressed.
• The air conditioner does not restart
immediately when TEMPERATURE
SETTING button is returned to the former
position after pushing the button.
If the OPERATION lamp lights, the air
conditioner is in normal condition.
It does not restart immediately because a
safety device operates to prevent overload of
the air conditioner.
After approx. 3 minutes, the air conditioner
will turn on again automatically.
• The air conditioner does not start when
the display shows " I
flashes for few seconds after pressing an
operation button.
This is because the air conditioner is under
centralized control.
Flashes on the display indicates that the
air conditioner cannot be controlled by the
remote controller.
• The outdoor unit stops.
This is because the indoor temperature has
reached the set temperature.
The indoor unit is in the FAN OPERATION.
COOLING OPERATION
(AUTOMATIC COOLING OPERATION):
Lower the set temperature.
The operation starts after a while when the
air conditioner is in normal condition.
2. THE OPERATION SOMETIMES STOPS
• The remote controller displays "U4" and
"US", and the operation stops. However,
it will restart in a few minutes.
This is because communication between the
indoor and outdoor units or indoor units and
remote controllers is shut off and stops the
operation due to noise caused by devices
other than the air conditioner.
When the electrical noise decreases, the air
conditioner automatically restarts.
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