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After service and warranty, If a service call is required, Troubleshooting – Yamato Scientific Vacuum controller Vacuum controller User Manual

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After Service and Warranty

If a Service Call is Required:

If a Service Call is required

Warranty Card (attached to your VR100)

Minimum Inventory Period of Repair Parts

lf a problem occurs with VR100, record the
error code on the display and stop the
operation immediately, turn off the power
switch, and disconnect the power plug from
the receptacle. Contact our sales or service
representative.

Check the warranty card or the name plate
of your VR100 and give us the information
below.

Name of the product;

Serial product number of the product;

Date of purchase;

Problem with the product

(as detailed as possible).

Please fill out completely and return the
bottom portion of the warranty card when the
unit is received. The completed top portion is
your Registration Card that should be
retained for your records.

Warranty period is one (1) year after the date
of your purchase. During this warranty
period, we will offer free repair service on the
basis of the conditions provided on the
warranty card.

If you need repair service after expiration of
the warranty period, contact our sales or
service representative in your vicinity or
service office for advice.

Repair parts will be available for at least 7
years after termination of our production of
VR100. Repair parts mean the parts that are
necessary to maintain the performance of
VR100.

Troubleshooting

Problem

Confirm if…

The power turning on, the indicator of the
operation panel is not lit.

The power cord is surely connected to an outlet. (If a

rotary evaporator RE400/500/440/540 is installed,
check its power as well.)

The fuse is not disconnected.

There is not a power failure.

The pressure does not fall.

The decompression device is working.

The atmosphere is not escaping from the condenser of

the rotary evaporator(for load).

The vacuum hose is surely connected.

The pressure does not rise.

Condensation and vaporization in the condenser of the

rotary evaporator have not ended.

The decompression speed is slow.

The hose for vacuum is connected.(The hose is not

crushed.)

Cooling operation is done in the condenser of rotary

evaporator

The decompression starts after turning the
power on.

The vacuum hose is properly connected to the

evaporator, or,to the aspirator.