Toshiba MML-AP0074NH-E, Руководство по обслуживанию

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7
3
Check code
Wired
remote
controller
E15
E16
E18
E19
E20
E23
E25
E26
E28
Outdoor 7-segment display
Check code Auxiliary code
E15 —
E16 00: Capacity over
01 to: No. of connected units
— —
E19 00: No header unit
02: Two or more header units
E20 01: Connection of outdoor of other line
02: Connection of indoor of other line
E23 —
E25 —
E26 No. of normally received outdoor units
E28 No. of detected outdoor units
Detected
position
I/F
I/F
Indoor
unit
I/F
I/F
I/F
I/F
I/F
I/F
Check code name
No corresponding
indoor unit during
automatic address
No. of connected
indoor units /
Capacity over
Communication error
between indoor header
and follower units
Header outdoor unit
quantity error
Other line unit
connected during
automatic address
Communication
sending error between
outdoor units
Duplicated outdoor
follower address setup
Decreased number of
connected outdoor
units
Outdoor follower unit
error
Status
All stop
All stop
Corresponding
unit only stops.
All stop
All stop
All stop
All stop
All stop
All stop
Error detection condition
Indoor unit is not found when indoor
automatic address start was set up.
• Total capacity of indoor units
exceeded 135% of total outdoor
capacity.
• No. of connected indoor units
are more than 48 units.
[Note]
If this code appears after backup
setup of outdoor unit trouble, set up
“No. capacity-over detection”.
<Setup method of
“No. capacity-over detection”>
Turn on SW09/Bit 2 on I/F P.C.
board of outdoor header unit.
Regular communication between
indoor header and follower units
• There are multiple header
outdoor units in 1 line.
• There is none of header outdoor
unit in 1 line.
Unit of other line was connected
when indoor automatic address
started.
Transmission of other outdoor unit
was unavailable for 30 seconds or
more.
Outdoor addresses manually set
up are duplicated.
The signal was not returned for
constant from the outdoor unit
which was receiving signal.
Outdoor header unit received error
code from outdoor follower unit.
Check item (position)
• Check the communication line connection between indoor and outdoor.
• Check the electric power line error in indoor.
• Check the noise of surrounding devices.
• Power failure
• Check indoor P.C. board error.
• Check the connection capacity of indoor unit.
• Check the HP capacity of indoor unit.
• Check the indoor/outdoor capacity setup
• Check the No. of connected indoor units.
• Check the outdoor I/F P.C. board error
• Check cable of the remote controller.
• Check power cabling of indoor.
• Check P.C. board of indoor.
The outdoor unit connected with communication cable between indoor and
outdoor (U1.U2) is the outdoor unit.
• Check connection of communication line between indoor and outdoor.
• Check outdoor P.C. board(I/F) error.
Separate the cable between lines according to automatic address setup
method in “Address setup”.
• Check power supply in outdoor unit. (Is power supplied?)
• Check connection or disconnection of connecting wire between outdoor units.
• Check connection of connector for outdoor P.C. board communication.
• Check outdoor P.C. board (I/F) error.
• Check terminal resistance setting of communication between outdoor units
[Note]
Do not set up the outdoor address manually.
• Outdoor backup is being set.
• Check power supply of outdoor unit. (Is power supplied?)
• Check connection or disconnection of connecting wire between outdoor units.
• Check connection of connector for outdoor P.C. board communication.
• Check outdoor P.C. board (I/F) error.
• Check the check code of outdoor follower unit.
<Convenient functions>
When pushing SW04 for 1 second or more under condition that [E28] is displayed on 7-segment display of outdoor header unit, the fan of outdoor unit which stopped abnormally starts rotating.
If pushing SW04 and SW05 simultaneously, the fan of normal outdoor unit operates. When pushing SW05 singly, the operation of fan is cleared.