User manual
22
Troubleshooting
By purchasing the laboratory power supply unit, you have acquired a product that is reliable and opera-
tionally safe.
Nevertheless, problems or faults may occur.
For this reason we want to describe how to troubleshoot potential malfunctions:
Always adhere to the safety instructions!
Error Possible cause
The power supplt Does the operating display light up on the power supply(2) ?
cannot be switched on. Check the mains voltage (you may also want to check the mains fuse in the
device or the line circuit breaker).
Connected Is the voltage set correctly?
Consumers Is the polarity correct?
do not work. Is the DC output activated?
Check the technical data of the consumers.
The „TEMP“ display The power supply is overloaded and overheated.
is lit. Leave the device on and cool down without load.
The „CC“ display The preset current was exceeded.
is lit. Check power consumption on your consumer and increase the current limi-
tation on your power supply, if applicable.
Regularly check the technical safety of the device e.g. for damaged housing etc.
Any other repair work must always be carried out by a specialist familiar with the
hazards involved and with the relevant regulations. In the event of unauthorised
modifications or repairs on or in the device, the guarantee will lapse.