Toshiba MAR - M81HTM8 - E Service Manual page 55

TOSHIBA
Outdoor Unit Display Switch Information cont.
d. Display switch set to position "3" identifies a fault condition in the outdoor unit.
Details are in the fault code chart on page 13
e. Display switch set to positions "4, 5, 6 & 7" identifies the indoor unit capacity code for each
branch.
LED 1
Pos. 4 Capacity code of unit on M/C 1 branch A
Pos. 5 Capacity code of unit on M/C 1 branch C
Pos. 6 Capacity code of unit on M/C 2 branch A
Pos. 7 Capacity code of unit on M/C 2 branch C
X
X
X
X
X
X
O
O
f. Display switch set to position "8" identifies a fault condition in the multi controller.
Details are in the fault code chart on page 13
g. Display switch set to position "9" shows the status of the commissioning circuit test.
LED 1 M/C 1
LED 2
LED 3
LED 4
LED 5
M/C 2
LED 6
LED 7
LED 8
AUGUST 1997
6. Fault Code and Display Information
LED 2 LED 3
O = Lit X = Off
X O
X O
O X
O X
O O
O O
X X
X O
Branch A
Branch B
Branch C
Branch D
Branch A
Branch B
Branch C
Branch D
LED4 LED 5
Capacity code of unit on M/C 1 branch B
Capacity code of unit on M/C 1 branch D
Capacity code of unit on M/C 2 branch B
Capacity code of unit on M/C 2 branch D
Indoor Model Number
X 103
O 132/133
X 453/160/161/162/163
O 200/202/203
X 713/260/261/262/263
O
X 1,003/360/361/362/363
X 1,253/460/461/462/463
When an LED is lit it indicates that there is
a wiring or piping fault between the multi
controller and the relevant indoor unit.
Page 17
LED 6 LED 7 LED 8
Code No
2
3
4
5
6
8
10