<Check on the indoor unit>
(1) Display check on the remote controller (in the case of a wired remote controller)
Check that a frame, as shown in the following figure at left, is displayed on the LC display section of the
remote controller.
<RBC-AMT*>
SET
TIME
TIMER SET
TEST
FILTER
RESET
TEMP.
CL
FAN
SAVE
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
SET
TIME
TIMER SET
TEST
FILTER
RESET
TEMP.
CL
FAN
SAVE
SWING/FIX
VENT
MODE
ON / OFF
UNIT LOUVER
Normal status
(power supplied and operation stopped)
When power is not supplied normally
IncorrectCorrect
IncorrectCorrect
<RBC-ASCU11*>
If no frame is displayed, as shown in the above figure at right, the remote controller does not have a normal
supply of power; check the following items.
• Check the power supply of the indoor unit.
• Check the cabling between the indoor unit and the remote controller.
• Check whether there is a cutoff of wire around the indoor control PC board or not, and check for connection
failures of the connectors.
• Check for failure of the transformer for the indoor electrical control box.
• Check for failure of the indoor control PC board.
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