Fan Operation Check In Outdoor Unit - Toshiba Super MMU-AP0091H Service Manual

8-7-8. Fan Operation Check in Outdoor Unit

This function is provided to check the fan operation on the interface P .C. board in the outdoor unit. The frequency
of the fan speed can be controlled.
Therefore utilize this function to check the operation or abnormal sound in the fan system.
NOTE) Do not use this function during operation of the compressor. It may damage the compressor.
[Operation]
1. Set the switch on the interface P.C. board of the outdoor unit SW01 to [2], SW02 to [1], SW03 to [4].
2. When [F. d] is displayed in 7-segment display [A], keep pushing the switch SW04 for 2 seconds or more.
3. From when fan step [ 31] is displayed in 7-segment display [B], the fan starts operation. (Max. step operation)
4. After then, 7-segment display [B] and the fan step are changed by changing the setup number of the
switches SW02 and SW03.
(Output pattern of the fan is as follows.)
SW01 SW02 SW03
1
2
3
4
5
6
7
8
2 4
9
10
11
12
13
14
15
16
[Clear]
This function is cleared by one of the following operations.
1. When SW01 setting number was changed to other number.
2. Push-switch SW05 was pushed for 2 seconds or more.
7-segment display [B] Fan step
[ 31 ]
[ 30 ]
[ 29 ]
[ 28 ]
[ 27 ]
[ 26 ]
[ 25 ]
[ 24 ]
[ 23 ]
[ 22 ]
[ 21 ]
[ 20 ]
[ 19 ]
[ 18 ]
[ 17 ]
[ 16 ]
SW01 SW02
31 1
30 2
29 3
28 4
27 5
26 6
25 7
24 8
2
23 9
22 10
21 11
20 12
19 13
18 14
17 15
16 16
123
SW03 7-segment display [B]
[ 15 ]
[ 14 ]
[ 13 ]
[ 12 ]
[ 11 ]
[ 10 ]
[ 9 ]
[ 8 ]
5
[ 7 ]
[ 6 ]
[ 5 ]
[ 4 ]
[ 3 ]
[ 2 ]
[ 1 ]
[ 0 ]
Fan step
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0