NEC IT3510, Operation Manual

Page: 451 / 466

NEC IT Series Issue 1
NEC IT3510/IT2510 Operations Manual 8 - 27
S
ECTION
2 T
ROUBLESHOOTING
If trouble develops with the NEC IT3510/IT2510, follow the appropriate instructions
described in this section. If these measures fail to resolve the problem, contact your
dealer’s service center.
During the Stand-by Mode
Condition Cause Countermeasure
Touch panel is
blank.
Power plug at wall outlet is
disconnected. Connect the power cord at the
wall outlet.
Power switch is off. Turn on the power switch.
Touch panel does not light. Press any key on the panel.
The time-out period can be
adjusted to run off the Touch
Panel LCD.
The thermostat inside the unit
has activated due to excessive
heat within the product, or
electrical interference due to
thunderstorms, etc. Turn off the power switch and
wait a few minutes to restore
power.
The panel contrast is set too
dark. Adjust the panel contrast
setting.
Start key does
not light green.
The user has not been selected
(when the User Management
mode is activated). Select a user.
Power cannot
be turned on.
Power cord is disconnected
from wall outlet. Connect the power cord at the
wall outlet.
The circuit breaker supplying
power to the wall outlet is
tripped. Reset the circuit breaker.
Slow reduction in voltage.
Power failure occurs. Turn off the power switch and
wait a few minutes before
restoring power.