Toshiba MMY-MAP0804HT8(Z)(ZG)-E Service Manual page 182

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
A3-IPDU Fan
1 2 3 IPDU
01 O
O
02
O O
03
04 O
05 O O
O O
06
O O O
07
O
08
E31 E31
09 O O
O O
0A
O O O
0B
0C O O
O O O
0D
O O O
0E
O O O O
0F
Symbol O
signifies site of
IPDU error.
F01 – –
F02 – –
F03 – –
F04 F04 –
F05 F05 –
01:
TE1 sensor error
02:
F06 F06 TE2 sensor error
F07 F07 –
Location
AI-NET central
of Description
control
detection
remote
controller
I/F IPDU
communication
error
CF
Indoor Indoor TCJ
unit sensor error
0F
Indoor Indoor TC2
unit sensor error
0d
Indoor Indoor TC1
unit sensor error
93
I/F TD1 sensor
error
19
I/F TD2 sensor
error
A1
I/F TE1/TE2
sensor error
18
I/F TL sensor error All stop
18
Error detection
System status
condition(s)
All stop Communication is disrupted
between IPDUs (P.C.
boards) in inverter box.
Stop of Sensor resistance is infinity
corresponding or zero (open/short circuit).
unit
Stop of Sensor resistance is infinity
corresponding or zero (open/short circuit).
unit
Stop of Sensor resistance is infinity
corresponding or zero (open/short circuit).
unit
All stop Sensor resistance is infinity
or zero (open/short circuit).
All stop Sensor resistance is infinity
or zero (open/short circuit).
All stop Sensor resistance is infinity
or zero (open/short circuit).
Sensor resistance is infinity
or zero (open/short circuit).
181
Check items (locations)
• Check wiring and
connectors involved in
communication between
IPDU-I/F P.C. board for
bad contact or broken wire.
• Check for defect in outdoor
P.C. board (I/F, A3-IPDU
or Fan IPDU).
• Check for external noise.
• Check connection of TCJ
sensor connector and
wiring.
• Check resistance
characteristics of TCJ
sensor.
• Check for defect in indoor
P.C. board.
• Check connection of TC2
sensor connector and
wiring.
• Check resistance
characteristics of TC2
sensor.
• Check for defect in indoor
P.C. board.
• Check connection of TC1
sensor connector and
wiring.
• Check resistance
characteristics of TC1
sensor.
• Check for defect in indoor
P.C. board.
• Check connection of TD1
sensor connector.
• Check resistance
characteristics of TD1
sensor.
• Check for defect in outdoor
P.C. board (I/F).
• Check connection of TD2
sensor connector.
• Check resistance
characteristics of TD2
sensor.
• Check for defect in outdoor
P.C. board (I/F).
• Check connection of TE1/
TE2 sensor connectors.
• Check resistance
characteristics of TE1/TE2
sensors.
• Check for defect in outdoor
P.C. board (I/F).
• Check connection of TL
sensor connector.
• Check resistance
characteristics of TL
sensor.
• Check for defect in outdoor
P.C. board (I/F).