powersoft M-Drive, Service Manual

Page: 9 / 24

9
M-Drive | SERVICE MANUAL
INDEX
Checking the PSU Mosfets
13Vpp 44KHz
Color Label Description Led Status
D39 Channel Mute Default OFF
D37 Temperature Protection Default OFF
D6 +VCC Default ON
D8 -VCC Default ON
Color Label Description Led Status
D2 +5Vdc SOLID ON
D8 Signal Clip ON
D4 Protection Active ON
D5 Ready SOLID ON
6. LED Charts:
D39 D37 D6 D8
D2 D8 D5 D4
Interface Board
Color Label Signal Status
RED PROTECT
Signal protection
active
SOLID ON
No pressure sensor
connected
BLINKING
RED LIMIT Limiter active SOLID ON
GREEN SIGNAL Input signal present SOLID ON
GREEN E.SAVE - SOLID OFF
YELLOW TEMP
Thermal protection
active
SOLID ON
GREEN READY
No faults, system
fully operating
SOLID ON
GREEN ON System on SOLID ON
Keep the board alive by supplying 18Vdc through the
PL1 connector by means of the
PSU AUX Voltage Cable .
Using an oscilloscope, check the waveform’s shapes by
probing the points indicated .
As portrayed on (Fig. 9).
(Fig. 9)
Out Of Range Values, Blown Fuses/Varistor are sign
of malfunction in the PS Section, please order the
KT000851.R KIT M-DRIVE PSU Repair Kit.
18 V 44mA