10
• Set the remote controller to the field set mode. For
details, refer to the “HOW TO SET IN THE FIELD”, in the
remote controller manual.
• When in the field set mode, select mode No. 12, then set
the first code (switch) No. to “1”. Then set second code
(position) No. to “01” for FORCED OFF and “02” for ON /
OFF OPERATION. (FORCED OFF at factory set)
11. TEST OPERATION
Make sure the service lids are closed on the indoor and outdoor
units.
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when a
malfunction occurs. Check the malfunction code on the liquid
crystal display to identify the point of trouble. An explanation
of malfunction codes and the corresponding trouble is pro-
vided in the installation manual of the outdoor unit.
If any of the items in Table 4 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 4
• If “U3” is lit up, the malfunction code shows the test operation
has not been performed yet.
Remote control display
Content
“
” (under cen-
tralized control) is lit up
• There is a short circuit at the FORCED OFF
terminals (T1, T2)
“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 transmission wiring
and / or FORCED OFF wiring.
• The transmission wiring is cut.
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.
• The remote controller wiring is cut.
