Thermopatch HS-4-C - 9. Technical Annexes; 9.1 Fault Troubleshooting

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9. Technical annexes
9.1 Faults:
Fault Possible cause Solution
No heat.
• Machine is unplugged or
power source is faulty.
• Main power switch is not
“On”.
• Power Saver feature
activated.
• Temperature displayed.
• Loose wires.
• Heat sensor is defective.
• Sealing iron is defective.
• Relay is defective.
• Heat controller is defective.
• Check plug and fuses.
• Check
• See I. Introduction.
• See II. Installation.
• Check
• Replace
• Replace
• Replace
• Return circuit board to
factory for repair.
Temperature too high
or too low.
• Heat control requires
adjustment.
• Temperature display is
incorrect.
• Power Saver feature
activated.
• Heat sensor is defective.
• Sealing iron defective.
• Heat controller is
defective.
• See II. Installation to adjust.
• See II. Installation to check.
• See I. Introduction..
• Replace
• Replace
• Return circuit board to
factory for repairs.
Time malfunction.
• Loose wires.
• Timer is defective.
• Micro switch is defective.
• Check
• Return circuit board to
factory for repairs.
• Replace
Handle does not stay
down. Handle does
not return at end of
cycle (HS-4-C).
• Insucient pressure
• Excess pressure.
• Motor is defective.
• Linkage or gas spring is
binding or broken.
• Springs are weak.
• Links broken.
• See III. Operating the
HS-4-C.
• See III. Operating the
HS-4-C.
• Replace
• Lubricate or adjust. See Page
V. Possible faults
and VI. Supplies Note 1.
• Replace
• Replace
Inadequate bond or
transfer.
• Insucient sealing time
• Insucient pressure
• Insucient tempeature.
• Pad worn.
• Teon shield soiled or
worn.
• Increase time in 2 second
increments and test.
• Increase pressure in one half
turn increments and test.
• See II. Installation to adjust.
• Replace
• Clean or replace.
Bleed through.
• Too long sealing time.
• Too much pressure.
• Decrease time in 2 second
increments.
• Decrease pressure in one half
turn increments.
AA