Toshiba MMU-AP0074YH-E Service Manual page 95

Check code
Outdoor 7-segment display
Main
remote
Check
Sub-code
controller
code
SMMS (Series 1)
08: Out of step
0A: IDC
activation
0E: Sync error
0F: Control error
06: Maximum
rotation
exceeded
04: Rotation
difference error
0D: Lock
0C: Fan lock
P22 P22
Location
AI-NET central
of Description
control
detection
remote
controller
IPDU Outdoor fan
IPDU error
Error detection
System status
condition(s)
All stop (Sub code: 08)
FAN IPDU position detection
circuit
Position detection is not
performed properly.
All stop (Sub code: 0A)
FAN IPDU overcurrent
protection circuit
Overcurrent was detected
when the fan started running
or during operation.
All stop (Sub code: 0E)
FAN IPDU position detection
circuit
Position detection is not
performed properly.
All stop (Sub code: 0F)
FAN IPDU position detection
circuit
Position detection is not
performed properly.
All stop (Sub code: 06)
External factors such as
blast
Position detection is not
performed properly.
(Restarted in 6 seconds)
All stop (Sub code: 04)
External factors such as
blast
The difference between
targeted rotation and actual
rotation is 25% or more.
(Restarted in 6 seconds)
All stop (Sub code: 0D)
FAN IPDU position detection
circuit
Position detection is not
performed properly. (No
wind)
All stop (Sub code: 0C)
External factors such as
blast
Position detection is not
performed properly. (Wind
blows) (Restarted in 6
seconds)
94
Check items (locations)
• Check the fan motor.
• Check the connector
connection for fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the connector
connection for fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the connector
connection for fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the connector
connection for fan motor.
• Check the error of IPDU
board for fan.
• Check the fan motor.
• Check the error of IPDU
board for fan.