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COMMISSIONING
Power supply for indoor unit is not turned ON or incorrect wiring.
Incorrect connection of connecting cable between indoor u nits or incorrect connection of controller cable.
Incorrect setting of rotary switch and dip switch (the setting is overlapped) on the indoor units PCB.
b. Press " " (run/stop) to start the test run.
c. Press "
" and set each item.
5 Press " " (run/stop). Start the test run when indicatin the air
lamp. At this time, 2-hour OFF timmer will be set automatically.
6 Press " " or " ", select "LOUV." and select "
by pressing " " or " ". The auto swing operation will be started.
Check the operating sound at the louvers. If abnormal sound
is not generated, press " " or " " again to stop the auto swing
operation.
7 The temperature detections by the thermistors are invalid though the protection devices are valid during the test run.
8 For SET-FREE Series: According to the label "Checking of Outdoor Unit by 7-Segment Display on PCB1" attached to the rear
side of the front cover of the outdoor unit, check temperature, pressure and the operation frequency, and connected indoor unit
numbers by 7-segment displays.
9
the set test run time. When changing the test run time, press "
" or " " to select "T-RUN TIME". Then, set the test run time (30
to 600 minutes) by pressing " " or " "
some abnormalities such as protection devices activated occur
during the test run as well as the RUN indicator (orange) on
Additionally, the alarm code, the unit model code and connected
number of indoor units will be displayed on the LCD as
in the transmission between the indoor unit and the remote
control switch (loosening of connector, disconnecting wiring or
breaking wire, etc.). Consult to authorized service engineers if
abnormality can not be recovered.
57
PMML0479 rev.2 - 02/2018
" (auto swing)
" (run/stop) again or pass over
Test Run: 2 units
MODE
SPEED
LOUV.
T-RUN TIME 120MIN
SEL.
ADJ
STOP
Test Run: 2 units
MODE
SPEED
LOUV.
T-RUN TIME 120MIN
SEL.
ADJ
STOP
Test Run: 2 units
MODE
SPEED
LOUV.
T-RUN TIME
510MIN
SEL.
ADJ
STOP
01-02
22
Alarm Code:
MODEL : b .02
SEL.
OP MODE
OK
Refrigerant cycle
Refrigerant Cycle No.
number of indoor unit
of Indoor Unit which
which abnormality
Abnormality Occurs
occurs
01 - 02
22
Alarm code:
Alarm Code:
MODEL : b . 02
MODEL:
Unit model code
Unit Model Code
COOL
HIGH
COOL
HIGH
COOL
MED
ALM RST
ADDR
ENT.
Indoor Unit No.
Indoor unit number in
which Abnormality Occurs
which abnormality occurs
Alarm code number
Alarm Code No.
Total number of indoor
Total No. of Indoor Unit in
units in same refrigerant
Same Refrigerant Cycle as
cycle as one that
One that Abnormality Occurs
abnormality occurs
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