Daikin FBQ20EAVAK Installation Manual page 29

01_EN_3PN06583-10W.fm Page 27 Thursday, March 24, 2011 9:03 AM
Transmission error (indoor unit – outdoor unit)
Wrong wiring between indoor and outdoor units or malfunction of the PC board mounted
on the indoor and the outdoor units.
U4
If UF is shown, the wiring between the indoor and outdoor units is not properly wired.
UF
Therefore, immediately disconnect the power supply and correct the wiring. (The
compressor and the fan mounted on the outdoor unit may start operation independent of
the remote controller operation.)
Transmission error (indoor unit – remote controller)
U5
Transmission is improper between the indoor unit and the remote controller.
Malfunction in transmission between main and sub remote controllers.
U8
(Malfunction in sub remote controller.)
Miss setting for multi system
UA
Error in multi-system settings for simultaneous ON/OFF operation.
UC
Central control address overlapping
UJ Transmission failure in accessory equipment
CAUTION
• Refer to "b. Items to be checked at time of delivery" on page 5 upon completion of the test run and make
sure that all the items are checked.
• If the customer's interior work has not been finished on completion of the test run, explain the customer
not to operate the air conditioner. This is essential until the interior work is finished so as to protect the
product.
Substances generated from paints and adhesives used for the interior work may contaminate the product
if the unit is operated.
To test run Contractors
When delivering the product to the customer after the test run is completed, check that the control box lid,
the air filter and the suction grille are mounted. In addition, explain to the customer regarding the state
(ON/OFF) of the power supply breaker.
English 28