Yokogawa µR20000 - Manual (Page 13)

2-3 SM 04P02B01-01E
Troubleshooting
2
Action
Refer to
chapter 6
Description Phenomenon No.
Page Item
Chec
k
Adjust Replace
10 (Dot Model) Whether the recorder has started, carriage load,
- -
Printer carriage does not move. abnormal noises, etc.
Carriage Motor Assembly 6-20 10
Dot Driver PCB 6-19 1
11 (Dot Model) Load check - -
Ribbon error message (Error: 960) Whether the gears mesh correctly. - -
Ribbon Shift Motor Assembly
6-19 8
(Ribbon Swing Motor Assembly)
12 (Dot Model) Is ribbon cassette installed correctly?
- -
Ribbon does not feed. Do the gears mesh correctly?
Ribbon Feed Motor Assembly 6-20 22
13 (Dot Model) Printed colors bleed. Adjust the ink ribbon - -
14 (Dot Model) Adjust the recording position
- -
Trend recording not normal.
15 (Dot Model) Print quality poor Adjusting the hysteresis - -
16 (Dot Model) Does the ribbon feed? - -
Does not print. Does the Carriage Assembly wire dot head operate? - -
Carriage Assembly 6-20 24
Dot Driver PCB 6-19 1
17 Chart paper does not feed. Is the chart installed correctly?
- -
Do the gears mesh correctly?
Chart Feed Motor Assembly 6-19 15
Pen/Dot Driver PCB 6-5, 19 1
18 Internal illumination dim. Ajusting the brightness of the Internal light LED - -
LED Assembly 6-4, 18 2
19 Internal illumination does not turn LED Assembly 6-4, 18 2
ON. Display Assembly 6-4, 18 1
20 The measured value is not correct Input section wiring
- -
Noise effects
21 Measured values fluctuate. Is the Integral Time setting of the A/D converter correct?
- -
Noise effects
Scanner PCB 6-8 17
6-22 32,33
22 Voltage measurement is good, but Is the Reference Junction Compensation setting
- -
temperature measurement is not correct? Is the terminal cover installed?
correct. Input Terminal Assembly (RJC Board) 6-10 17
6-24 25,28
31,34
A/D Board PCB 6-8 16
6-22 29
2.2 Failures and Corrective Actions