YOKOGAWA MVAdvanced MV1000 User Manual

2-4
SM MV1000-01E
2.2 Troubleshooting Checklist
The table below describes the most common types of failures and their corrective
actions.
No. Phenomenon
Action
Description
Refer to Chapter 6
Check Adjust Replace
*1
Part Name
MV1000 MV2000
Page Item Page Item
1
The instrument
doesn’t start
even though
the power is
ON

Power supply cable connection/wiring - - - - -

MAIN POWER BOARD ASSEMBLY
12V POWER BOARD ASSEMBLY
Power Assembly 6-3 2 6-12 2

MAIN BOARD ASSEMBLY Main PBA 6-3 4 6-12 11

SUB BOARD ASSEMBLY
Sub PCB Assembly
6-3 5 6-12 13
2 FAIL state

MAIN BOARD ASSEMBLY Main PBA 6-3 4 6-12 11

SUB BOARD ASSEMBLY
Sub PCB Assembly
6-3 5 6-12 13

OPTION TERMINAL ASSEMBLY Option Terminal Assembly 6-5 12 6-14
12, 13
3
Abnormal
functioning of
memory
(backup)

Battery connection Battery Assembly 6-3 6 6-12 12

Battery voltage
(must be +3.0 V or more)
- - - - -

MAIN BOARD ASSEMBLY Main PBA 6-3 4 6-12 11

SUB BOARD ASSEMBLY
Sub PCB Assembly
6-3 5 6-12 13
4
Key operation
abnormality
 
Check the FFCs
*3
for key wiring
(whether pulled out or damaged)
- - - - -

SW BOARD ASSEMBLY Bezel Assembly 6-2 1 6-10 1

CONNECTION BOARD ASSEMBLY Bezel Assembly 6-2 1 6-10 1

MAIN BOARD ASSEMBLY Main PBA 6-3 4 6-12 11
5
LCD display
not normal
 
Check the FFCs
*3
for key wiring
(whether pulled out or damaged)
- - - - -

MAIN BOARD ASSEMBLY Main PBA 6-3 4 6-12 11

SUB BOARD ASSEMBLY
Sub PCB Assembly
6-3 5 6-12 13

CONNECTION BOARD ASSEMBLY Bezel Assembly 6-2 1 6-10 1

Back Light Unit of LCD ASSEMBLY Bezel Assembly 6-2 1 6-10 1

LCD ASSEMBLY Bezel Assembly 6-2 1 6-10 1
6
Large
measurement
error
Temperature
measurement
abnormal

Keep input wires away from noise
sources (through distance and
shielding, etc.)
- - - - -

Check that the input terminals are not
disconnected from the instrument
- - - - -

Check that the input terminal cover is
not loose
- - - - -

Check that the RJC (INT/EXT) setting
is correct
- - - - -
 
AD SCANNER BOARD ASSEMBLY AD-STD/ISO 6-3 7, 8 6-12
24, 25
26, 27
7
Fluctuation
in measured
values

Does the integral time setting of the
A/D converter match the power supply
frequency?
- - - - -

Keep input wires away from noise
sources (through distance and
shielding, etc.)
- - - - -

YOKOGAWA MVAdvanced MV1000 Specifications

General

Brand	YOKOGAWA
Model	MVAdvanced MV1000
Category	Laboratory Equipment
Language	English