Engcon DC2 QSC - Page 70

8 Troubleshooting
Symbol
Number of
flashes
Name
Description
Confirmation
12
DC2 TM Sensor
supply short
circuit
Supply voltage out
to the tiltrotator
lock sensors is less
than 50% of system
voltage.
Automatic when the supply
voltage to the tiltrotator lock
sensors no longer is shorted
to earth.
13
QCM X7/X8
Supply over
current
More than 3500 mA
passes to modules
connected to X7 and/
or X8. Supply voltage
out to X7 and X8 will
be turned off.
The system is restarted.
14
Machine Tool
Lock Feedback
Fault
Internal feedback
for the machine lock
outputs does not
correspond with
expected value.
The system is restarted. If
the fault persists, return the
QCM2 module.
15
Tiltrotator Tool
Lock Feedback
Fault
Internal feedback for
the tiltrotator lock
outputs does not
correspond with
expected value.
The system is restarted. If
the fault persists, return the
QCM2 module.
16
Buzzer error
Buzzer in QPM
interpreted as
defective; boot test at
system start-up not
performed.
Buzzer in QPM
interpreted as
defective; does not
sound at activated
quick hitch lock.
The system is restarted. If the
fault persists, return the QPM
module.
17
EWDT error
Internal
communication fault in
QCM2 module.
The system is restarted. If
the fault persists, return the
QCM2 module.
18
MCSE error
Communication fault
between QCM2 and
QPM.
Button pressed on
QPM at start-up.
The system is restarted.
70