Nidec DUB Series - Display Panel Does Not Light up; Buzzers Do Not Ring; Others; Blackout

23
7
Troubleshooting
Display panel does not light up.
Buzzers do not ring
2 Others
Blackout
Power supply is restored within 10 minutes : Firing continues in the process before blackout.
Blackout takes more than 10 minutes : Firing automatically stops.
2 Others
1 About controller
P.10
Please be sure to
read 『Before Firing』
before 󳞛ring.
P.7
Please be sure by
『 Electrik works』
P.20
About Buzzer
Contents to con󳞛rm Countermeasure
(1)
Make sure if the power (breaker) is on or off. Switch the power (breaker) on if it is off.
In the event that the power (breaker) shuts down.
Make sure if the power cord reaches to the kiln itself.
The display shows an electrical leak. Do trial operation (dry operation).
In the event that the power (breaker) shuts
down not because of an electrical leak, but
because of an electrical short.
Contact of hot wires may be the one of the reasons.
Repair is necessary. Please consult “Nidec
DriveTechnology” ceramics department.
(2)
Con󳞛rm if the connection of hot wires is correct or not.
Problems Countermeasures
The buzzer rings even if you do not set it.
Confirm if the buzzer setting which you set last
time does not remain or not.
*
If you set buzzers in the process of holding, the buzzer
responding to the change of the temperature in often rings.
In continuing program, buzzer settings do affect
even when you use other programs.
If buzzer settings are unnecessary, please set “No
buzzers (AL-0)” .
Please consult “Nidec DriveTechnology” ceramics department when the above countermeasures are not
effective.