6166 DC Voltage Current Source Operation Manual
A.1 When Problems Occur (Before Requesting Repairs)
A-2
2. Does not output the
set source value.
Cause:
Solution:
Entered Standby due to the Interlock signal.
Set the Interlock signal input to LO, or disable the Interlock setting.
Cause:
Solution:
Entered Standby due to function switching.
Set the output status to Operate again.
3. A source value indica-
tion is unstable
or is in error
Cause:
Solution:
Function or range settings have an error.
Check the settings again.
Cause:
Solution:
Incorrect cable connection
Check cable connections again.
Cause:
Solution:
Disconnected cable
Verify the cables with a tester. If in error, replace it.
Cause:
Solution:
A cable is connected to a wrong terminal.
Check cable connections again.
Cause:
Solution:
Too much load current
Decrease the load current.
Cause:
Solution:
Improper AC power supply
Supply proper AC power stably.
Cause:
Solution:
No calibration executed after initialization
Execute calibration, or request calibration service.
Cause:
Solution:
Expired calibration period
Execute calibration, or request calibration service.
Cause:
Solution:
Insufficient warm-up time
Warm up for 1 hour or longer before use.
4. Unable to input set-
tings with the control
key.
Cause:
Solution:
The menu screen, limit setting screen, the program screen or numeric
keypad input screen is displayed, or it is in zero output status.
Release the status.
5. Unable to set the
source value as
desired.
Cause:
Solution:
The polarity is set to zero.
Press the key to release the zero state.
Cause:
Solution:
Improper range setting
Check the setting range of the source range.
6. Disabled key opera-
tions
Cause:
Solution:
Entered remote status with the RMT indicator turned ON.
Press the LOCAL key to release the remote status.
Cause:
Solution:
The interface is set to BCD.
Press the LOCAL key to release BCD.
7. Disabled remote con-
trol
Cause:
Solution:
Incorrect interface setting
Check the type of interface and its address.
Cause:
Solution:
Unconnected cable
Check cable connections.
Table A-1 Items to be Inspected before Requesting Repair (2 of 3)
Q (Symptom) A (Cause and Solution)