Troubleshooting - Extech Instruments DCP36 User Manual

Troubleshooting

ERROR DESCRIPTION
UVL (Upper Voltage Limit) setting error
UVL setting < output current set value.
UCL (Upper Current Limit) setting error
UCL setting is < output current set value.
OuP (Output Over Voltage Protection error)
Detected voltage at output terminal is > the
voltage setting
Output Over Current Protection error
Detected output current > the current setting
System Over-Temperature Protection error
Power supply internal temperature is too high
WARNING NOTES
Do not increase the voltage output setting higher than the Upper Voltage Limit.
Reset and increase the Upper Voltage Limit or decrease the output voltage setting.
Do not increase the current setting higher than the Upper Current Limit.
Reset and increase the Upper Current Limit or decrease the output current setting.
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RESOLUTION
Solution 1: Rotate Volt knob clockwise.
Both UVL and output will be set to new
UVL value
Solution 2: Cycle power supply power
Solution 1: Rotate Volt knob
clockwise. Both UCL and output will be
set to new UCL value
Solution 2: Cycle power supply power
Step 1: Switch off power supply
Step 2: Disconnect load
Step 3: Switch on power supply
(If this error persists, contact Extech)
Step 1: Switch off power supply
Step 2: Disconnect load
Step 3: Switch on power supply
(If this error persists, contact Extech)
Step 1: Switch off power supply
Step 2: Disconnect load
Step 3: Allow a 30-minute cool down
Step 4: Switch on power supply
(If this error persists, contact Extech)
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