![Thermopatch HS-4-C User Manual Download Page 10](http://html1.mh-extra.com/html/thermopatch/hs-4-c/hs-4-c_user-manual_1105875010.webp)
10
For more information about our products and how to contact us, please visit thermopatch.com
5. Faults
5.1 Faults and possible solutions
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).
• Insufficient 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.
• Insufficient sealing time.
• Insufficient pressure.
• Insufficient tempeature.
• Pad worn.
• Teflon 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 much time.
• Too much pressure.
• Decrease time in 2 second
increments.
• Decrease pressure in one half turn
increments.