Resolving Problems - Chroma 19020 Quick Start Manual

Multi-Channel Sync Hipot Tester 19020/19020-4/19021/19022/19022-4
Quick Start Guide

2.4 Resolving Problems

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Problems occurred
Problems occurred in the following situation are very dangerous. The
output terminal may still have high voltage output even the STOP key is
pressed; therefore, users should be extremely careful when dealing with it.
•
The DANGER LED indicator keeps on when STOP key is pressed.
•
The DANGER LED indicator is on but the voltage meter has no
readings.
When the above situation occurs, shut down the power and unplug the AC
power cord immediately. Do not use the device again as failure is awfully
hazardous. Please send the hardware back to Chroma or its distributor for
repair service.
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DANGER Indicator failure
When pressing the START key the voltage meter has readings but the
DANGER LED indicator is still off, it means the indicator may be broken.
Please power off the hardware and replace it with another device, then send
the broken one back to Chroma or its distributor for repair service.
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Please be aware of the following when using the Tester
continuously in a long period under normal operation
If the set high limit is close to the rated, please be aware of the temperature
change. If the ambient temperature exceeds 40℃, please stop using it
until the temperature is down to the normal. Be sure to check it before use.
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AC INPUT used by the Tester is 100V~240V auto switch
The fuse specification is 15A Slow/250V. Also to avoid electric shock the
fuse should be changed when the power cord is not plugged in. When
replacing, use a flat screwdriver to pry the fuse holder inside the power
socket and remove the fuse to replace with a new one by pushing it in gently,
and then push the power socket back to its position.
WARNING
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Tester is normally operated under AC power
If the selected voltage range for local power supply is unstable, it may cause
the device to work inaccurately or abnormally. Thus, please use
appropriate equipment such as a power supply regulator to convert it to a
suitable one.
6
Be sure to use the fuse with correct specification or it
may cause hazard.