Toshiba MMD-AP0076BHPUL Service Manual page 72

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
SMMS-i
(4 series)
01: TK1 oil
circuit error
02: TK2 oil
circuit error
03: TK3 oil
circuit error
04: TK4 oil
circuit error
05: TK5 oil
circuit error
H16 H16
H25 H25
L02 L02
L03
L04 L04
L05
No. of priority
indoor units
L06 L06
L07
L08 L08
L09
Location
Description System status
of
detection
I/F Oil level All stop
detection
circuit error
I/F TD3 sensor All stop
miswiring
(incomplete
insertion)
Indoor Outdoor unit Only the target
unit model unit stopped
mismatch
error
Indoor Duplicated Stop of
unit indoor header corresponding
unit unit
I/F Duplicated All stop
outdoor line
address
I/F Duplicated All stop
priority indoor
unit (as
displayed on
priority indoor
unit)
I/F Duplicated All stop
priority indoor
unit (as
displayed on
indoor unit
other than
priority indoor
unit)
Indoor Connection of Stop of
unit group control corresponding
cable to stand- unit
alone indoor
unit
Indoor Indoor group / Stop of
unit addresses not corresponding
set unit
Indoor Indoor Stop of
unit capacity not corresponding
set unit
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Error detection
Check items (locations)
condition(s)
No temperature Check for disconnection of TK4 sensor.
change is detected
Check resistance characteristics of
by TK4 despite
TK4 sensor.
compressor having
Check for connection error involving
been started.
TK1, TK2, TK3, TK4, and TK5 sensors
Check for faulty operation in SV3E or
SV3F valve.
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment inside
compressor.
No temperature Check for disconnection of TK5 sensor.
change is detected Check resistance characteristics of
by TK5 despite
TK5 sensor.
compressor having
Check for connection error involving
been started.
TK1, TK2, TK3, TK4, and TK5 sensors
Check for faulty operation in SV3E
valve.
Check for clogging in oil equalizing
circuit capillary and faulty operation in
check valve.
Check for refrigerant entrapment inside
compressor.
Air discharge Check installation of TD3 sensor.
temperature (TD3)
Check connection of TD3 sensor
does not increase
connector and wiring.
despite compressor
Check resistance characteristics of
3 being in operation.
TD3 sensor.
Check for defect in outdoor P.C. board
(I/F).
An error was found Check the model name of the outdoor
on the outdoor unit unit.
model.
Check the miswiring of the
communication line between indoor
and outdoor.
There is more than Check indoor addresses.
one header unit in
Check for any change made to remote
group.
controller connection (group /
individual) since indoor address
setting.
There is duplication Check line addresses.
in line address
setting for outdoor
units belonging to
different refrigerant
piping systems.
More than one Check display on priority indoor unit.
indoor unit has been
set up as priority
indoor unit.
More than one Check displays on priority indoor unit
indoor unit have and outdoor unit.
been set up as
priority indoor unit.
There is at least one Check indoor addresses.
stand-alone indoor
unit to which group
control cable is
connected.
Address setting has Check indoor addresses.
not been performed
Note:
for indoor units.
This code is displayed when power
is turned on for the first time after
installation.
Capacity setting has Set indoor capacity. (DN = 11)
not been performed
for indoor unit.