Engcon DC2 QSC - Page 68

8 Troubleshooting
Symbol
Indication
Description
Action
Left indicator
flashes at 10 times
per second
(10 Hz)
The hook sensor indicates it is
‘not coupled’. Takes priority over
steady light.
Automatic when both sensors
indicate the same state, ‘coupled’
or ‘not coupled’.
Right indicator
flashes 10 times
per second
(10 Hz)
Ejector sensor indicates that it is
‘not coupled’. Takes priority over
steady light.
Automatic when both sensors
indicate the same state, ‘coupled’
or ‘not coupled’.
Both flash once per
second
(1 Hz)
Process fault in the tiltrotator lock
sensors. The tiltrotator lock has
been activated and deactivated
without any of the sensors having
indicated ‘not coupled’.
One of the tiltrotator lock sensors
indicates ‘not coupled’.
Cause: The sensors have been
disconnected or have a damaged
cable.
Symbol
Number of
flashes
Name
Description
Confirmation
1
DC2 Tiltmodule
Timeout (TM)
Communication with
the QS-compliant
DC2 tilt module has
been established and
ceased.
Automatic when
communication is restored or
when the panel module cover
is in the lower position.
2
Pressure
activation Sensor
(PA. CVP)
The system has
detected an affected
pressure sensor for
more than 3 seconds
when the pressure
impact is inactive
OR when the system
has NOT detected
an affected pressure
sensor for 8 seconds
when pressure impact
is active.
When restarting the system.
3
Pressure
activation Valve 1
Open Load (PA)
The current is less
than 200 mA through
pressure activating
valve 1 when pressure
activation is active.
Automatic when more than
200 mA passes through
pressure activating valve 1
when it is active.
4
Pressure
activation Valve 2
Open Load (CV)
The current is less
than 200 mA through
pressure activating
valve 2 when pressure
activation is active.
Automatic when more than
200 mA passes through
pressure valve 1 when it is
active.
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