Test Operation Method; Checklist; Led Display; Error Display Mode - Fujitsu AOYG45LETL Installation Manual

11.2. Test operation method

Be sure to configure test run settings only when the outdoor unit has stopped
operating.
• Depending on the communication status between the indoor and outdoor units,
it may take several minutes for the system to start operating after settings for the
test run are complete.
• After the test run settings are complete, the outdoor units and the connected
indoor units will start operating. Room temperature control will not activate during
test operation (continuous operation).
• If a knocking sound can be heard in the liquid compression of the compressor,
stop the unit immediately and then energize the crank case heater for a sufficient
length of time before restarting the operation.
Test operation setting method (It can be performed in the following two ways)
• Set with test operation setting (refer to installation instructions manual of indoor unit
for further details) available in the remote controller.
• "Cooling Operation" and "Heating Operation" can be set using SELECT button and
ENTER button available on the board of display unit.
(*Make sure to perform the first test operation with cooling operation.)
Set as per the procedure given below.
LED display part
Button part
11.2.1. Setting method on outdoor unit board
(1) Turn on the power of the outdoor unit and enter standby mode.
"POWER/MODE" Lamp lights up.
PUMP
POWER
ERROR
DOWN
MODE (L1)
○ ○
●
○ ●
Sign " ": Lights off, " ": Lights on
(2) Press the ENTER button for more than 3 seconds.
PUMP
POWER
ERROR
DOWN
MODE (L1)
○ ○
Blink
○ ●
Sign " ": Lights off, " ": Lights on
(3) Press the SELECT button, LED of the test run mode Switched between "COOL "
and "HEAT".
Cooling test mode
PUMP
POWER
ERROR
DOWN
MODE (L1)
○ ○
Blink
○ ●
Sign " ": Lights off, " ": Lights on
Heating test mode
PUMP
POWER
ERROR
DOWN
MODE (L1)
○ ○
Blink
○ ●
Sign " ": Lights off, " ": Lights on
LOW PEAK
NOISE CUT
(L2) (L3) (L4) (L5)
○ ○ ○ ○
LOW PEAK
NOISE CUT
(L2) (L3) (L4) (L5)
○ ○ ○
Blink
LOW PEAK
NOISE CUT
(L2) (L3) (L4) (L5)
○ ○ ○
Blink
LOW PEAK
NOISE CUT
(L2) (L3) (L4) (L5)
○ ○ ○
Blink
(4) After confirming the operation mode, Press ENTER button.
The display changes as follows, and Air conditioner starts operation.
Cooling test mode
POWER
ERROR
MODE
○
Blink
○
Sign " ": Lights off, "
Heating test mode
POWER
ERROR
MODE
○
Blink
○
Sign " ": Lights off, "
(5) Press [ENTER] button.
Air conditioner stopped operation.
POWER
ERROR
MODE
○
●
○
Sign " ": Lights off, "

11.3. Checklist

Check items during test operation.
Is the outdoor unit making any abnormal noise or vibrating significantly?
Is the cold air or hot air blowing from indoor unit according to the operation
mode?
Check that the "ERROR" LED blinks.
If, it has displayed, check the error content as per 12.2. described later.
Operate the unit according to the operating manual provided with the indoor
unit, and check that it is operating normally.

12. LED DISPLAY

You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part
(L6)
○
Button part
(L6)
○

12.1. Error display mode

Display when an error occurs.
POWER
ERROR
(L6)
MODE
○
●
Blink
(Hi speed)
○
Sign " ": Lights off, "
(1) Check that the "ERROR" LED blinks, then press the [E
(L6)
○
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○
●
●
": Lights on
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○
●
●
": Lights on
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○ ○
●
": Lights on
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○ ○
●
": Lights on
NTER] button once.
PEAK
CUT
(L5) (L6)
○ ○
PEAK
CUT
(L5) (L6)
○ ○
PEAK
CUT
(L5) (L6)
○ ○
PEAK
CUT
(L5) (L6)
○ ○
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