Toshiba MMD-AP0186HP-E Service Manual page 67

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
Duplicated
indoor address
E08 E08
E09
E10
01:
Indoor-outdoor
communication
02:
Outdooroutdoor
communication
E12 E12
E15 E15
00:
Overloading
01-:
No. of units
connected
E16 E16
Location
Description System status
of
detection
Indoor Duplicated All stop
unit indoor address
I/F
Remote Duplicated Stop of
controller master remote corresponding
controller unit
Indoor Indoor inter- Stop of
unit MCU corresponding
communication unit
error
I/F Automatic All stop
address starting
error
I/F Indoor unit not All stop
found during
automatic
address setting
I/F Too many All stop
indoor units
connected
– –
67
Error detection
condition(s)
More than one indoor unit is
assigned same address.
In two remote controller
configuration (including
wireless), both controllers are
set up as master. (Header
indoor unit is shut down with
alarm, while follower indoor
units continue operating.)
Communication cannot be
established / maintained
upon turning on of power or
during communication.
Indoor automatic address
setting is started while
automatic address setting
for equipment in other
refrigerant line is in
progress.
Outdoor automatic
address setting is started
while automatic address
setting for indoor units is in
progress.
Indoor unit cannot be
detected after indoor
automatic address setting is
started.
Combined capacity of
indoor units exceeds 135
% of combined capacity of
outdoor units.
Note:
If this code comes up
after backup setting for
outdoor unit failure is
performed, perform "No
overloading detected"
setting.
< "No overloading detected "
setting method>
Turn on SW09/Bit 2 on I/F
P.C. board of outdoor header
unit.
More than 48 indoor units
are connected.
Check items (locations)
Check indoor addresses.
Check for any change
made to remote controller
connection (group /
individual) since indoor
address setting.
Check remote controller
settings.
Check remote controller
P.C. boards.
Check for defect in indoor
P.C. board
Perform automatic address
setting again after
disconnecting
communication cable to
that refrigerant line.
Check connection of
indoor-outdoor
communication line.
Check for error in indoor
power supply system.
Check for noise from other
devices.
Check for power failure.
Check for defect in indoor
P.C. board.
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 defect in outdoor
P.C. board (I/F).