13
12. INSTALLATION OF THE DECORATION
PANEL
Refer to the installation manual attached to the decoration
panel.
After installing the decoration panel, ensure that there is no
space between the unit body and decoration panel.
13. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when
an malfunction occurs. Check the malfunction code on the
liquid crystal display to identify the point of trouble. An expla-
nation of malfunction codes and the corresponding trouble is
provided in “CAUTION FOR SERVICING” of the outdoor
unit.
If any of the items in Table 6 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 4
Remote control display
Content
“Concentrated Management”
is lit up
• There is a short circuit at the
FORCED OFF terminals (T1, T2)
“U3” is lit up
• The check operation has not per-
formed on outdoor unit P.C.B.
“U4” is lit up
“UH” is lit up
• The power on the outdoor unit is
off.
• The outdoor unit has not been
wired for power supply.
• Incorrect wiring for the transmis-
sion wiring and / or FORCED
OFF wiring.
No display
• The power on the indoor unit is
off.
• The indoor unit has not been
wired for power supply.
• Incorrect wiring for the remote
controller wiring, the transmission
wiring and / or the FORCED OFF
wiring.
Summary of Contents for FXFQ12MVJU
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