Troubleshooting - Daikin FTQ18TAVJUA Operation Manual

• When the system is changed over to HEATING
OPERATION after DEFROST OPERATION. Moisture
generated by DEFROST becomes steam.
IV. NOISE OF HEAT PUMP
• A ringing sound after the unit is started. This sound is
generated by the temperature regulator working. It will quiet
down after about a minute.
• A continuous "Whoosh" is heard when the system is in
COOLING or DEFROST OPERATION. This is the sound
of refrigerant gas flowing through both indoor and outdoor
units.
• A "Whoosh" sound Is heard at the start or immediately
after the stop of operation and at the start or immediately
after the stop of DEFROST OPERATION. This is the noise
of refrigerant caused by flow stop and flow change.
• A continuous flow "Whoosh" sound is heard when the
system is in COOLING OPERATION or at a stop. The
noise ls heard when the drain pump is in operation.
V. DUST FROM THE UNITS
• Dust may blow out from the unit after starting operation
after not being used for a while. Dust absorbed by the
unit blows out.
VI. THE UNITS GIVE OFF ODORS
• The unit absorbs the smell of rooms, furniture, cigarettes,
etc., and then emits them .
VII. THE LIQUID CRYSTAL OFTHE REMOTE CONTROLLER
DISPLAY "Checking the connection. Please stand by"
• This occurs immediately after the main power supply
switch is turned on. This indicates that the remote controller
is in normal condition and continues temporarily.
10. TROUBLE SHOOTING
I. If one of the following malfunctions occurs, take the
measures shown below and contact your Daikin dealer.
The system must be repaired by a qualified service person.
If the air conditioner or heat pump is operating abnormally, such
as a burning smell, unplug the power cord from the outlet, and
contact your dealer.
Continued operation under such circumstances may result in a
failure, electric shock, and fire.
• If a safety device such as a fuse, a breaker or an ground
leakage breaker frequently actuates:
Procedure: Do not turn on the main power switch, take the
following actions.
• If the ON/OFF switch does not properly work:
Procedure: Turn off the main power switch
12
• If water leaks from unit:
Procedure: Stop the operation.
• If an error occurs, either one of the following items will flash
in the basic screen.
"Error: Push Menu button" - The operation lamp will flash.
"Warning: Push Menu button" - The operation lamp will
not flash.
• Press Menu/OK button.
• The error code will flash and the service contact and model
name or code may appear.
• Notify your Daikin dealer of the Error code and model name
or code.
II. If the system does not properly operate (except for the
above mentioned case), and none of the other mentioned
malfunctions are evident, investigate the system
according to the following procedures:
1. If the system does not operate at all.
• Check if there is a power failure. Wait until power is
restored. If a power failure occurs during operation, the
system automatically restarts immediately after the
power supply recovers.
• Check if a fuse has blown. Turn off the power supply.
English