UNI-T UTS1000 Series, Руководство по обслуживанию

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Service Manual UTS1000/3000 Series
Instruments.uni-trend.com
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Troubleshooting flowchart
The flowchart below describes how to troubleshoot the instrument in the most general cases. This does not
guarantee full recovery from all possible hardware failures.
Start
Does the power button
turn red?
Press the power
button
Confirm ：
Is the power cord connected to the
spectrum?
Is the power cord connected to the AC
outlet?
Does the AC outlet have AC power?
Replace the power cord
no
yes
yes
Connect the power
cord
Does the power button
turn green?
Does the fan spin?
yes
After 2 minutes, is
the display normal?
yes
Does the spectrum pass the
power-on self-test?
yes
Stop
yes
no
no
Power supply check
of the power module
Check the ground
resistance of each
secondary power supply
in the board
no
no
Back to UNI
-
T Service
Center
Does the power button
turn green?
no