Operator’s manual for the Pentruder MD1 Modular Drill System with MDU9 Modular Drive Unit - Original instructions
Page 42
MDU Core Drill NTGRA
® -
Indication chart - 1-phase input power
LED-Indication
1-phase mode 200-240 V
Input power
Sound
Power LED
Motor LED
Frequency
Color
Frequency
Color
Motor is connected to power but the key
is not yet inserted
4 short
beeps
1 flash
Green
1 flash
Green
1-phase mode 200-240 V
Power ok, waiting for key
-
Alternatively
flashing
Green
Alternatively
flashing
Green
MDU is connected to power and key is
inserted
1-phase mode 200-240 V
Power ok, Key is identified
3 short
beeps
Steady light
Green
Steady light
Green
Key cannot be identified
Power ok
1 sec beep
Steady light
Red
Steady light
Red
Supply voltage is less than 205V
-
One flash per
second
Green
One flash per
second
Green
Supply voltage is less than 190V
-
Five flashes per
second
Green
Five flashes per
second
Green
1-phase mode 200-240V:
Motor ON/OFF push button has been
pressed once and motor has started
-
-
-
Steady light
Green
M-Dial is set at R - Reverse
Steady
Pink/Blue
Steady
Pink/Blue
Power restriction is active
-
Steady
Pink/Blue
Steady
Depending on what
% is set, the Motor
LED will indicate the
load.
Motor has been shut off due to overload.
See 4.3.6.
-
Steady
Red
Steady
Red
Motor has been shut off due to
overheating
-
-
-
Steady
Red
Red Stop button has been pressed
Beep in
pace with
flash*
Flashing in pace
Red
Flashing in pace
Red
Internal drill motor test found a hardware
problem. The drill motor cannot be
started. Please contact your service
workshop
1 second
beep
Alternatively
flashing
Red and Blue
Alternatively
flashing
Red and Blue
Service alert. The drill motor has been
running for 180 hours and should be sent
to service.
1 second
beep
Five flashes per
second for 30
seconds
Red
Five flashes per
second for 30
seconds
Red
*No beep if if the red stop button was pressed before power was connected (programming mode)