Toshiba MCY-MHP0305HT-C Service Manual page 105

Check code
Location
Outdoor 7-segment display
Main
remote detection
Check
Sub-code
controller
code
0 : IGBT circuit IPDU
1 : Position
detection
circuit error
3 : Motor
lockup error
Note:
Although
letters 0 to
F appear at
locations
indicated
P22 P22
by " ",
please
ignore
them.
IPDU
P26 P26 –
IPDU
P29 P29 –
Indoor
unit
P31 – –
of Description System status
Outdoor fan All stop
IPDU error
All stop
All stop
IGBT (IPM) All stop
short-circuit
protection error
Compressor All stop
position
detection circuit
error
Other indoor Stop of
error corresponding
(group follower unit
unit error)
104
126
Error detection
Check items (locations)
condition(s)
(Sub code: 0 ) Check fan motor.
Fan IPDU over current Check for defect in
protection circuit IPDU P.C. board.
Flow of current equal to or
greater than the specified
value is detected during
startup of the fan.
(Sub code: 1 ) Check fan motor.
Fan IPDU position detection Check connection of fan
circuit motor connector.
Position detection is not Check for defect in
going on normally. IPDU P.C. board.
(Sub code: 3 ) Check fan motor.
Gusty wind, an obstruction, Check for defect in
or another external factor IPDU P.C. board.
Speed estimation is not going
on normally.
Overcurrent is momentarily Check connector
detected during startup of
connection and wiring on
compressor. IPDU P.C. board.
Check for defect in
compressor (layer short-
circuit).
Check for defect in outdoor
P.C. board (IPDU).
Position detection is not Check wiring and
going on normally. connector connection.
Check for compressor
layer short-circuit.
Check for defect in
IPDU P.C. board.
There is error in other indoor Check indoor P.C. board.
unit in group, resulting in
detection of E07 / L07 / L03 /
L08.