Toshiba MMD-AP0076BHP-E Service Manual page 66

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
– –
66
Error detection
Check items (locations)
condition(s)
More than one indoor unit is Check indoor addresses.
assigned same address.
Check for any change
made to remote controller
connection (group /
individual) since indoor
address setting.
In two remote controller Check remote controller
configuration (including settings.
wireless), both controllers are
Check remote controller
set up as master. (Header
P.C. boards.
indoor unit is shut down with
alarm, while follower indoor
units continue operating.)
Communication cannot be Check for defect in indoor
established / maintained P.C. board
upon turning on of power or
during communication.
Indoor automatic address Perform automatic address
setting is started while setting again after
automatic address setting disconnecting
for equipment in other
communication cable to
refrigerant line is in
that refrigerant line.
progress.
Outdoor automatic
address setting is started
while automatic address
setting for indoor units is in
progress.
Indoor unit cannot be Check connection of
detected after indoor indoor-outdoor
automatic address setting is communication line.
started.
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.
Combined capacity of Check capacities of indoor
units connected.
indoor units exceeds 135
% of combined capacity of Check combined HP
outdoor units. capacities of indoor units.
Note: Check HP capacity
settings of outdoor units.
If this code comes up
after backup setting for Check No. of indoor units
outdoor unit failure is connected.
performed, perform "No Check for defect in outdoor
P.C. board (I/F).
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.