FAQ
45
FAQ
Q1. I pressed the panel lock key but the output still turns on/off.
A1. The output key is not affected by the panel lock key operation,
for ensuring safety.
Q2. The CH3 overload indicator turned on – is this an error?
A2. No, it simply means that the CH3 output current reached the
maximum 3.0A and the operation mode turned from CV (constant
voltage) to CC (constant current). You can continue using the power
supply, although reducing the output load is recommended.
Q3. The specifications does not match the real accuracies.
A3. Make sure that the power supply is powered on for at least 30
minutes, within +20°C – +30°C.
Q4. The internal memory is not recording the panel setting correctly –
the output should be on.
A4. The output is always stored or recalled as “off” to ensure safety.
For more information, contact your local dealer or GWInstek at
www.gwinstek.com.tw
/ marketing@goodwill.com.tw.
GPD-3303 Series User Manual
46
APPENDIX
23BFuse Replacement
Steps
1. Take off the power cord and remove the fuse
socket using a minus driver.
2. Replace the fuse in the holder.
Rating
• 100V/120V:T6.3A/250V
• 220V/230V:T3.15A/250V
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