Operator’s manual for the Pentruder MD1 Modular Drill System with MDU9 Modular Drive Unit - Original instructions
Page 41
5.2.12
Service Alert – Indication to operator that it is time to send the unit for service
Note!
After every 180 running hours the machine should be brought to your authorized service
workshop for service.
When the machine has been running for 180 hours, when power is connected, and after
transponder key has been inserted and confirmed with green or blue color, both LED's will start
flashing with 5HZ red color for 30 seconds and motor makes a 1 sec whistle.
5.2.13
MDU Drive Unit - NTGRA
® -
Indication chart - 3-phase input power
LED-Indication –
3-phase mode 400-480 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
3-phase mode 400-480 V
Power ok, waiting for key
-
Alternatively
flashing
Blue
Alternatively
flashing
Blue
MDU is connected to power and key is
inserted
3-phase mode 400-480 V
Power ok, Key is identified
3 short
beeps
Steady light
Blue
Steady light
Blue
Key cannot be identified
Power ok
1 sec beep
Steady light
Red
Steady light
Red
Supply voltage is less than 350V
-
One flash per
second
Blue
One flash per
second
Blue
One phase is missing
-
Alternatively
flashing
Blue and Blue/Red
Alternatively
flashing
Blue and Blue/Red
3-phase mode 400-480V:
Motor ON/OFF push button has been
pressed once and motor has started
-
-
-
Steady light
Blue
M-Dial is set at R - Reverse
Steady
Light blue
Steady
Light 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
Motor cannot start because of
overheating
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 the red stop button was pressed before power was connected (programming mode).