Sonics VC50 50-watt (1989) User Manual download pdf (Page 10)

SECTION III – SERVICE INFORMATION

Your Ultrasonic Processor was designed to provide you with years of safe and

dependable service. Nevertheless, because of component failure or improper usage, the

possibility does exist that it might not perform as it should, or that it will stop working all

together. The most probable causes for malfunction are listed below and should be

investigated.

The unit was plugged into an electrical outlet that provides a different voltage from

that required. See Electrical Requirements.

The probe is not secured properly.

If the probe has a replaceable tip, the tip is not secured properly, or the probe has been

used with low surface tension liquids.

A fuse(s) has failed. If a fuse(s) has failed, proceed as follows:

1. Ensure that the power switch is set to OFF.

2. Open the fuse holder cover(s).

3. Replace the fuse(s).

4. Set the AMPLITUDE control to 50 and the power switch to ON. With the probe

in air (out of sample), the wattmeter should read below 20 watts. If the reading

exceeds 20 watts, set the power switch to OFF, and disconnect the probe from the

converter.

5. Set the power switch back to ON. If the wattmeter reads below 20 watts, the

probe has failed or is out of tune due to excessive erosion, and should be replaced.

If the wattmeter reads above 20 watts, either the converter or power supply has

failed and the complete Ultrasonic Processor should be returned for repair.

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Sonics VC50 50-watt (1989) User Manual Page 10