Section 1
General Information

5-2 Troubleshooting MN715

How to Access Diagnostic Information
Action Description Display Comments
Apply Power Logo display for 5 seconds.
Display mode showing Local
mode, voltage, current &
frequency status.
No faults present. Local keypad
mode. If in remote/serial mode,
press local for this display.
Press DISP key Scroll to fault log block. Press ENTER to view the fault log
if desired.
Press DISP key Scroll to diagnostic info block. Press ENTER to view diagnostic
information if desired.
Press ENTER key Access diagnostic information. .
Press DISP key Display mode showing control
temperature. 25.0
Displays operating temperature in
degrees C.
Press DISP key Display mode showing bus
voltage.
Press DISP key Display mode showing bus
Current.
Press DISP key Display mode showing PWM
Frequency. 2497
Press DISP key Display mode showing %
overload current remaining.
Press DISP key Display mode showing real time
opto inputs & outputs states.
(0=Open, 1=Closed)
Opto Inputs states (Left);
Opto Outputs states (Right).
Press DISP key Display mode showing actual
drive running time since the Fault
log was cleared.
HR.MIN.SEC format.
Press DISP key Display operating zone with rated
hp and input voltage (for the
operating zone) and control type.
Press DISP key Display mode showing continuous
amps; PK amps rating; amps/volt
scale of feedback, power base ID.
Press DISP key Display mode showing which
Group1 or 2 expansion boards
are installed.
Press DISP key Display mode showing software
version and revision installed in
the control.
Press DISP key Displays exit choice. Press
ENTER to exit. Press ENTER to exit diagnostic
information.
Initialize New Software EEPROM

After a new EEPROM is installed, the control will automatically initialize the new software

version and memory locations as if STD Settings was selected. If you need to initialize

the control to the 50Hz / 400Volts settings, use the Initialize New Software

EEPROM procedure shown in Section 4 of this manual.