15
Troubleshooting
Problem
Possible Causes
Solution
Upper and/or lower sealing bars
not heating
1. Heater(s) are worn out.
1. Replace heaters(s) on the unit.
Unit does not heat up (both jaws are
not heating up)
1. Heater(s) are worn out.
2. Temperature controller is worn out.
1. Replace heaters(s) on the unit.
2. Replace temperature controller
Temperature controller will not
stay at set temperature (i.e.
temperature set at 150 but
temperature keeps going up)
1. Temperature controller is worn out.
2. Thermocouple is worn out (rare
occasion).
1. Replace temperature controller.
2. Replace thermocouple.
Sealing jaw not activating
1. No power to the unit.
2. Timer is worn out.
3. Solenoid needs replacement.
4. Footswitch needs replacement.
1. Check power source.
2. Replace timer.
3. Replace solenoid.
4. Replace footswitch.
