4.1 Common Problems and Causes
Head will not come down. The most common causes are:
1. Mechanical binding
2. Broken links
3. Broken link pivot shaft
Head will not lock down. The most common causes are:
1. Sealing platen is adjusted too low
2. Release motor switch out of adjustment (HS4E)
3. Release motor faulty (HS4E)
4. Mechanical binding
5. Worn gears
6. Broken or stretched links
7. Broken link pivot shaft
Head will not release (HS4E only). The most common causes are:
1. Incorrect machine setup
2. Sealing platen adjusted too high
3. Release motor microswitch out of adjustment
4. Cam on release motor loose or out of position
5. Faulty release motor switch
6. Broken return spring
7. Broken rod end
8. Faulty start switch
9. Faulty control board
10. Faulty release motor
Head will only raise 1-2”. The most common causes are:
1. Broken spring
2. Faulty gas spring
Head will only come up halfway. The most common causes are:
1. Broken rod end
2. Faulty gas spring
Heating problems (No heat or low heat). The most common causes are:
1. Temperature settings incorrect
2. Machine in “Sleep Mode”
3. Faulty temperature sensor
4. Broken wiring to sensor
5. Faulty relay
6. Faulty temperature controller
7. Faulty heater
4. Troubleshooting
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