Operator’s manual for the Pentruder MD1 Modular Drill System with MDU9 Modular Drive Unit - Original instructions
Page 34
5.2.2
Start key
Each Pentruder MDU Core Drill - NTGRA
®
is delivered with 4 start keys with a serial number
corresponding to the machine serial number.
a. Insert the correct start key with a serial number corresponding to the machine
serial number.
b. When the key is identified as the right one, there will be 3 short beeps and both LED’s will
indicate a steady green light (supply voltage in 200-240V range) or steady blue light (supply
voltage in 400-480V range).
If the key is already inserted when the power is connected, the LED’s will first indicate for the
power and then for the key.
See MDU Core Drill Indication chart on page 38
How motor load is indicated on the Motor and
for more information on the LED’s.
Note!
If the start key has been identified, it can be removed from key hole and the machine can still be
started and stopped over and over again. If the supply power is removed, the unit is only
operational again once the start key is inserted.
If the red Stop button has been pushed in and hasn’t been released before the MDU core drill is
connected to power, the LED’s will both flash red.
Before the start key has been inserted and recognized, the red Stop button will have no function.
