50
TOS7200
Maintenance
Troubleshooting
The problems specified below do not necessarily indicate failures. Please perform the
following checks before requesting repairs. If the remedy does not solve the problem or if your
case does not match any of the items, contact your Kikusui distributor/agent.
Symptom
Check Item
Reference, Description
The tester does not
start when the
POWER switch is
pressed.
Confirm that the AC power cord is
connected.
The keys on the
front panel do not
work.
Confirm that the KEYLOCK function is off.
Confirm that the tester is not being
remotely controlled via the REMOTE
terminal or SIGNAL I/O connector.
Confirm that the tester is not being
remotely controlled via the RS232C
interface.
The START switch or
START signal of the
SIGNAL I/O does not
work.
Confirm that no STOP signal of the SIGNAL
I/O is being input.
“Using Terminals and Connectors”
Confirm that the tester is not in PASS or
FAIL status.
The START switch does not function
during output of a judgment result.
Press the STOP switch to cancel
output.
Confirm that the tester is not currently
storing panel settings to or recalling panel
settings from panel memory.
Confirm that the double-action function is
off.
“Double action (DOUBLE ACTION)”
Confirm that the ENABLE signal of the
SIGNAL I/O is at the high level.
Confirm that the tester is not in the midst
of making system settings.
Confirm that the LOWER LED is not
blinking.
Confirm that the UPPER LED is not
blinking.
Confirm that the TIMER ON LED is not
blinking.
Confirm that the UPPER ON LED is not
blinking.
Confirm that the tester is not being
remotely controlled via the RS232C
interface.