Yokogawa BT200 - Manual (Page 45)

<7. TROUBLESHOOTING>
7-1
IM 01C00A11-01E
7. TROUBLESHOOTING
Here are simple troubleshooting tips. If problems
persist after all the suggested checks, callour service
for repair, with a detailed description of the following:
(1) Model code and serial number of your unit (found
on the nameplate on the back of the unit).
(2) Model code, serial number, and control number of
the connected instrument.
(3) Wiring diagram
(4) Details of the problem
(5) Checks made and the results
(6) Other related information
NO.
MODEL
F0701.EPS
Figure 7.1 The Nameplate
1. PRESSING THE KEY PRODUCES NO
DISPLAY
(1) Did you press the key positively?
Press the key two or three times to make
sure.
(2) Did you adjust the LCD contrast properly?
Press the key on the startup panel.
(3) Are the batteries exhausted?
Replace with new batteries as appropriate.
2. THE DISPLAY IS ERASED AUTOMATICALLY
The autopower-off feature of the BT200 will switch it
off automatically when no key access is made for five
minutes or longer. Press the key once again to
restore screen.