22 TOS5200
Turning the Power On
Checking indicators and the status of the interlock feature
p. 58
The first time that you turn the POWER switch on after you purchase the TOS5200, the tester
will be in PROTECTION mode through the interlock feature. Connect the included SIGNAL I/
O plug to the SIGNAL I/O connector to release the interlock feature.
Only use the included SIGNAL I/O plug to easily release the PROTECTION mode.
p. 58
When you are actually performing tests, use the interlock feature to ensure safety.
During withstanding voltage test in which you are using tools, (1) placing a cover over the
DUT so that output is turned off whenever the cover is removed to prevent electric shock and
(2) placing a safety fence around the work area where withstanding voltage test is being per-
formed so that output is turned off whenever the fence is opened are both examples of effec-
tive safety measures.
p. 20
1
Check that the power cord and all cables are correctly connected.
2
Check that nothing is connected to the SIGNAL I/O connector.
3
Press the ( ) side of the front-panel POWER switch to turn the TOS5200
on.
Check that all the front-panel indicators light.
The firmware version screen will be displayed for a few seconds, and then a message
indicating that the TOS5200 is in PROTECTION mode will be displayed.
Check that the tester is in PROTECTION mode through the interlock feature.
4
Press the ( ) side of the front-panel POWER switch to turn the TOS5200
off.
When the TOS5200 is turned on, a self-test is run, and all the indicators on the front panel
light. To ensure safety, check that all the indicators light before you use the TOS5200. It is
especially dangerous to use the tester if its DANGER LED is broken.
When the power is turned on, the DANGER LED lights, but no voltage is generated.
A
kV
Mȍ
mA
CONFIG
RISE TEST
RMS AVE MORE CAL RMT
MT
LIMIT
50Hz 60Hz
UPPER
LOWER W COMP
s
1
2
3
READY
TEST
PAS S
FAIL
PROTECTION
A
kV
Mȍ
mA
CONFIG
RISE TEST
RMS AVE MORE CAL RMT
MT
LIMIT
50Hz 60Hz
UPPER
LOWER W COMP
s
1
2
3
READY
TEST
PAS S
FAIL
PROTECTION
Firmware version screen
Interlock protection mode
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