30 Troubleshooting
Problem
Possible Cause
Solution
Material does not
move.
•
Wrong RPM of material
mounting roller.
•
Chain tension clamping
is set too tight.
•
Chain tension clamping
is set too loose.
•
Adjust to correct RPM.
•
Adjust chain clamping to
correct tension.
•
Adjust chain clamping to
correct tension
Sealing arm fails to
move.
•
Disconnected wire.
•
Defective relay unit.
•
Replace part.
•
Replace part.
Sealing arm rises too
abruptly.
•
Sealing time is set too
short.
•
Adjust time of limit switch in
safety device to lengthen
sealing time.
Sealing arm lowers too
abruptly
•
Electronic sensors not
aligned horizontally or
vertically, or dirty.
•
Check alignment and
adjust and clean as
necessary.
Sealing heating
temperature does not
rise.
•
Fuse burned out.
•
Disconnected heating
wire.
•
Defective relay unit
power of single phase.
•
Replace part as required.
Unable to adjust
temperature.
•
Defective temperature
regulator.
•
Defective temperature
sensor.
•
Replace defective part as
required.
Safety device failure.
•
Disconnected wire.
•
Defective limit switch.
•
Defective relay unit.
•
Insufficient air pressure.
•
Reconnect or replace wire.
•
Adjust or replace limit
switch.
•
Replace part as required.
•
Check air pressure. Air
pressure must meet
specifications.
Sealer not forming an
adequate seal.
•
Hot knife defective.
•
Heating temperature too
low.
•
Sealing time too short or
air pressure too weak.
•
Hot knife heat is
insufficient.
•
Replace with new hot knife.
•
Adjust to correct heating
temperature.
•
Check and correct as
required. Replace seal
pads, if required.
•
Replace hot knife.
Summary of Contents for Value VS1620TK
Page 1: ...VS1620TK Hot Knife L Sealer Tunnel Combo Value Series User Guide ...
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