Multi-Channel Sync Hipot Tester 19020/19020-4/19021/19021-4/19022/19022-4
User’s Manual
<<< Emergency Case >>>
14. Process for emergency case
To avoid causing bigger hazard when in emergency situations like electric shock, UUT or
Tester burnout, please perform the steps below:
∗ First cutoff the power switch.
∗ Second unplug the power cord.
<<< Resolving Problems>>>
15. 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.
16. 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.
17. AC INPUT used by the Tester is 100V~240V auto switch and 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.
Be sure to use the fuse with correct specification or it may cause hazard.
18. 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.
19. Tester uses a power transformer with 1100VA or above
When the device to be tested draws a great deal of current, the current (about 10amp)
may flow in for more than 10ms before judging for defect item and cutting off the output
current. The same situation may occur before test, thus it is necessary to watch out the
power cord capacity and the connecting cables used for other instruments or devices.
20. Storage
The temperature and humidity for the Tester is 5°C~35°C, 70% RH in normal. The
operation may malfunction if exceeding the range. Do not mount the Tester to a fixed
place in case it needs to be removed. The storage temperature for the Tester is from
-10°C to 60°C, ≤ 80% RH. If it is not in use for a long time, please pack it with its original
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