The following document is to be used by a certified electrician or technician only.
Locate the inverter (component that controls the speed of the heat tunnel conveyor) inside the electrical drawer.
What does the inverter’s display show; RDY, SCF or other?
What is the input voltage at the inverter? (voltage allowance is 208v +/- 10%. Too high of voltage causes the inverter to malfunction and error E7.)
Remove the heat tunnel conveyor motor from the shaft..
Pull on the rollers check if the rollers and chain assembly moves freely.
If not, then the chain and roller assembly is bound and error E7 can happen.
Turn on the power and check if motor turns.
If not check if there is power going to the motor.
If there is power but motor does not turn, motor or gear is bad.
Turn off machine and split the motor from the gear box.
Turn on power again and check if motor turns.
Minipack does not assume any responsibility or liability for the advice given and shall not be liable for any direct, indirect, special, incidental or consequential damages in connection with the use of this information.