Operating Procedure For Check Run - Fujitsu AOU45RLXFZ Installation Manual

8. 3. Operating procedure for check run

Initiate check run after more than 12 hours after the power source is connected.
NOTE:
Be sure that the power is turned off before starting the check run.
(1) Press the "CHECK" switch for 3 seconds or more.
CHECK
S W 2
(2) The number of indoor units (and the places) connected through the
communication lines is displayed.
• If the displayed number of units (places) and the installed number of units
(places) is the same, proceed to step (3).
• If the displayed number of units (places) and the installed number of units
(places) is not the same, shut off the power and check whether the indoor and
outdoor communication lines are properly connected.
• If there is no operation for 1 minute, the LED will return to the original display.
(POWER/MODE LED: ON)
(3) Press the "CHECK" switch for 3 seconds or more again. Check run is initiated.
• When check run is initiated, all LEDs from A to F will fl ash. (Preliminary
operation)
• The LED for each indoor unit will switch off in order as check for each unit is
completed.
(4) After the check run is complete, results will be displayed. Please fi ll the displayed results in the result table accordingly.
NOTE:
• Automatic wiring correction will not be completed if the power is turned off while displaying the results. To confi rm the automatic wiring correction, be sure to carry out step (5).
• If frost is formed on the outdoor unit while displaying the results, Automatic defrost function will operate. Proceed to step (5) after the defrost function is fi nished.
If the connection is correct [(Example) When 4 indoor units are connected]
• After the number of connected units are displayed, the LED for each unit will light
up in order from A to D.
POWER ERROR
MODE
A
(2-blink)
En-15
CAUTION
MONITOR
B C D E F
(7 sec.)
(7 sec.)
(7 sec.)
(7 sec.)
Example) When 4 indoor units (A to D) are connected
POWER ERROR
MODE
A B
(2-blink)
Example) When 4 indoor units (A to D) are connected
POWER ERROR
MODE
A B
(2-blink)
If the connection is incorrect [(Example) When connection of B and C of the 4
units are reversed]
• After the number of connected units are displayed, B and C will light up in reverse.
POWER ERROR
MODE
A
(2-blink)
MONITOR
C D E F
MONITOR
C D E F
MONITOR
B C D E F
(7 sec.)
(7 sec.)
(7 sec.)
(7 sec.)