Check code
Location
of
detection
Description
System status
Check code
detection
condition(s)
Check items (locations)
Main
remote
controller
Outdoor 7-segment display
Check
code
Sub-code
E15 E15
–
I/F
Indoor unit not
found during
automatic
address setting
All stop
Indoor unit cannot be
detected after indoor
automatic address setting is
started.
• Check connection of
indoor-outdoor
communication line.
• Check for
trouble
in indoor
power supply system.
• Check for noise from other
devices.
• Check for power failure.
• Check for
trouble
in indoor
P.
C. board.
E16 E16
00:
Overloading
01-:
No. of units connected
I/F
Too many
indoor units
connected
All stop
•
Combined capacity of
indoor units is too large.
Note:
If this code comes up
after backup setting for
outdoor unit failure is
performed, perform “No
overloading detected”
setting.
• More than
27
indoor units
are connected.
• Check capacities of indoor
units connected.
• Check combined HP
capacities of indoor units.
• Check HP capacity settings
of outdoor units.
• Check No. of indoor units
connected.
• Check for
trouble
in outdoor
P.
C. board (I/F).
<“No overloading detected”
setting method>
Turn on SW09/Bit 2 on I/F
P.C. board of outdoor unit.
For Cooling Only model, this
check code is not displayed
even if it exceeds the
combined capacity of indoor
units.
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