6243/44 DC Voltage Current Source/Monitor Operation Manual
APPENDIX
A-1
APPENDIX
A.1 When Problems Occur (Before Requesting Repairs)
If problems are encountered when using the 6243/44, inspect the 6243/44 referring to Table A-1.
If the problem is not answered by the suggested remedial actions, contact an ADC CORPORATION sales
representative.
Fees will be charged for repairs by ADC CORPORATION even if the problem is one of those listed in Table
A-1. Therefore, carefully inspect the 6243/44 before requesting service.
Table A-1 Inspection Items Before Requesting Repairs (1 of 2)
Q (symptom)
A (causes and solutions)
1
The display does not
appear with the
POWER
switch set
to ON.
Cause
Solution
Power fuse is blown
Replace with a specified type fuse.
2
The source set is not
output.
Cause
Solution
The Standby mode is set.
Switch to the Operate mode and confirm with the front panel
LED
.
Cause
Solution
Remote sensing is not set correctly.
Check the remote sensing setting with the front panel
LED
.
Cause
Solution
The source value is set to 0 V or 0 A.
Check the source value.
Cause
Solution
A voltage over load (OVL) is detected putting the system in the
Standby mode.
Unplug the connection cable.
Cause
Solution
Over heating or a cooling fan failure put the system in standby condi-
tion.
Unplug the connection cable and set the
POWER
switch to OFF. Set
the
POWER
switch to ON again.
Cause
Solution
The limiter is operating.
Check the limiter setting.
Cause
Solution
- The
OUTPUT
and
SENSE
terminal connections are reversed.
-
SENSE
is not connected correctly in the 4-wired connection.
Check the cable connection.
Cause
Solution
The interlock signal put the system in the Standby mode.
- Set the interlock setting to
OPERATE IN
.
- Set the interlock signal to LO.