Daikin VRV W T-series - System Not Operating; System Stops Soon After Starting; Insufficient Cooling or Heating

35 English
Following Symptoms are not Air Conditioner Troubles
Does not cool very well
● Dry operation.
Dry operation is designed to lower the room temperature as little as possible.
Refer to page 10
.
Trouble Shooting
If one of the following malfunctions occur, take the measures shown below and contact your Daikin dealer.
Warning
● Stop operation and shut o󰀨 the power if anything unusual occurs, such as a burning smell.
Leaving the unit running under such circumstances may cause breakage, electrical shock, or re.
Contact your dealer.
● If a safety device such as a fuse or a breaker frequently actuates;
Measure : Do not turn on the main power switch.
● If the ON/OFF switch does not properly work;
Measure : Turn o󰀨 the main power switch.
● If water leaks from unit;
Measure : Stop the operation.
● The operation mode selector button does not work well.
Turn o󰀨 the power.
If the system does not properly operate except for the above mentioned cases and none of the above mentioned
malfunctions is evident, investigate the system according to the following procedures.
If it is impossible to x the problem after checking all the above items, contact your dealer.
Let him know the symptoms, system name, and model name.
1. If the system does not operate at all;
● Check if there is a power failure.
Wait until power is restored. If power failure occurs during operation, the system automatically restarts immediately after the
power supply is recovered.
● Check if a fuse has blown;
Turn o󰀨 the power supply.
● Check if the breaker is blown.
Turn the power on with the breaker switch in the o󰀨 position.
Do not turn the power on with the breaker switch in the trip position.
(Contact your dealer.)
2. If the system stops soon after starting the operation;
● Check if air inlet or outlet of outside or indoor unit is blocked by obstacles.
Remove any obstacle and make it well-ventilated.
● Check if the remote controller display shows “Time to clean lter & element”;
Refer to the operation manual of the indoor unit and clean the air lter or element.
3. The system operates but cooling or heating is insu󰀩cient;
● Check if air inlet or outlet of outside or indoor unit is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
● Check if the remote controller display shows “Time to clean lter & element”;
Refer to the operation manual of the indoor unit and clean the air lter or element when indicated.
● Check the temperature setting.
Refer to “Operation procedure”.
Breaker
ON
OFF
Switch
Trip position