Hitachi HT-4139-28 Maintenance Manual page 25

4.2 The diagnosis order when parts are exchanged
Item
No.
Off Line
1
Off Line Test
1.1
1.2 Inline Loop Test
Host PC
2
2. 1
Auto Calibration
Maintenance Tool
3
3. 1
Information on
Device Operation
3. 2 Firmware Download
3. 3
Load / Save Device
Unique Information
3. 4 Memory Dump
4
Checking・Cleaning・
t ・Replacing
4. 1
Checking
4. 2
Cleaning
t
4. 3
4. 4
Replacing
The numbersin the table are priorities to check.（* : Perform when it is necessary ）
There are detectors shown below.
PC22 ASSY(Emission)(Sensor)---PC22
Photo Sensor r (Emission)(Sensor)---PC11 PC20 PC51 PC52
Reflection Sensor ---PC21 PC31 PC41 PC42 PC43
Note 1: Perform when it is necessary. (In case maintenance parts have some notes.)
Note 2: Refer to the replacement procedure of the MAIN P/K ASSY -1(next sheet)
Note 3: Refer to the replacement procedure of the MAIN P/K ASSY -2 (If the procedure-1 does not work)
Machine failure
3 3 3 3 3 2 2 2 2
1 1 1 1 1 1
2 2 2 2 2 2 * * *
* * * * * 3
4 4 4 4 4 1 1 1 1
Replacing Pats
（
（
（
）
）
）
）
2 2 3 2
1 1 1
3 2
*1 *1
1
4
* * *
* * * * * *
* * *
1 1 2 1 1 2 2 2 1
REV0 10.02.15
（
（
）
）
5
5.3
5.4
6
2 2 4 6.1
7
1 7.1
7.2
7.3
7.4
* 2 3
* 3 3.3
* 2 4 9
1 1 1 1 1 8
-H4-3-