Toshiba MMY-MAP0806FT8P-TR Service Manual page 185

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
#0:Element short circuit
#1:Position detection circuit
trouble
#3:Motor lock trouble
P22 P22
#4:Motor current trouble
#C:TH sensor
temperature trouble
#D:TH sensor short
circuit/release trouble
#E:Vdc voltage trouble
01: Compressor 1 side
02: Compressor 2 side
P26 P26
01: Compressor 1 side
02: Compressor 2 side
P29 P29
P31 – –
Location
of Description System status
detection
Outdoor fan
IPDU
All stop
IPDU trouble
*Put in Fan
IPDU No. in [#]
mark
All stop
All stop
All stop
All stop
All stop
All stop
IPDU IPM short- All stop
circuit protection
trouble
IPDU Compressor All stop
position
detection circuit
trouble
Indoor Other indoor Stop of
unit trouble corresponding
(group follower unit
unit trouble)
− 184 −
Check code detection
Check items (locations)
condition(s)
(Sub code: #0)
• Check fan motor.
Fan IPDU over current
• Check for trouble in fan IPDU
protection circuit
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
• Check connection of fan motor
detection circuit Position
connector.
detection is not going on
• Check for trouble in fan IPDU
P.C. board.
normally.
(Sub code: #3)
• Check fan motor.
Gusty wind, an obstruction,
• Check for trouble in fan
or another external factor IPDU P.C. board
Speed estimation is not
going on normally.
(Sub code: #4)
• Check fan motor.
Fan IPDU over current
• Check connection of fan
protection circuit
motor connector.
Flow of current equal to or
• Check for trouble in fan IPDU
greater than the specified
P.C. board.
value is detected during
operation of the fan.
(Sub code: #C)
• Check fan motor.
Higher temperature than
• Check for trouble in fan
the specified value is IPDU P.C. board
detected during operation
of the fan.
(Sub code: #D)
Check for trouble in fan IPDU
•
The resistance value of
P.C. board.
the sensor is infinite or
zero (open or short circuit).
• Check power voltage of
(Sub code: #E)
the main power supply.
Fan IPDU DC voltage
Check for trouble in fan IPDU
•
protection circuit
P.C. board.
The DC voltage higher or
Check connection of fan
•
lower than the specified
IPDU P.C. board.
value is detected.
Overcurrent is momentarily • Check connector
connection and wiring on
detected during startup of
A3-IPDU P.C. board.
compressor.
• Check for trouble in
compressor (layer short-
circuit).
• Check for trouble in
outdoor P.C. board
(A3-IPDU).
Position detection is not • Check wiring and
going on normally. connector connection.
• Check for compressor
layer short-circuit.
• Check for trouble in
A3-IPDU P.C. board.
There is trouble in other • Check indoor P.C. board.
indoor unit in group,
resulting in detection of
E07/L07/L03/L08.