54
V-301G Series Operating Instructions Ver. 2.01E
Problems related to the sealing
In case of machine malfunctioning, please refer to the chart below.
Carefully follow the directions in the operating instructions when replacing parts.
Please consult
Van der Stahl Scientific
if the problem cannot be resolved even after referring to the chart.
Please refer any questions regarding replacement of parts not listed in the operating instructions or
adjustment of those parts to
Van der Stahl Scientific
.
Items marked with “
※
”
mark in the “Solutions” column indicate that these problems should be addressed
by an electrician or expert of replacing. If there are any problems, please contact
Van der Stahl Scientific
.
Problems
Check
Solutions
Power lamp does not light
and machine does not work.
Machine is not plugged in or cord is
broken.
※
Check power cord and plug. Replace if necessary.
Fuse is burnt out.
Replace fuse
※
Replace power switch.
The heat lamp does not turn
ON and there is no heat in
the sealing area by pushing
the table down.
※
Replace the microswitch.
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edge.
The heat time is too long.
Set the heat time at minimum to make the beautiful
sealing.
The cooling is not enough.
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down position for 2 to 3 seconds after the heat lamp
is turned OFF.
Heating lamp stays turned ON.
※
When the heating lamp stays turned ON, the
control board is damaged. Replace the control
board or contact your local dealer.
Sealing is not clean.
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the heating element. Refer to "10-1 How to shift
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Replace the silicone rubber.
Is the seal pressure properly
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Adjust the seal pressure referring to "11 Adjusting
seal pressure."
The power is automatically
turned off.
The power is turned OFF automatically when the
heating continues over 3 seconds.
※
Replace the control board or contact your local
dealer.
Three warning beeps
continue until the power
switch is turned off.
C
ontact Van der Stahl Scientific
.
Four warning beeps
continue until the power
switch is turned off.
Is the heating element installed
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When heating element is properly installed, CT or
control board maybe damaged.
C
ontact Van der Stahl Scientific
.
13 Common problems and solution
Warning
When replacing parts, be sure to unplug power cord from the wall outlet.