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Knowledge base Quark General

Question #94
What do the different flashes of the Quark Status LED mean?
Answer

The tables below summarise the Status light operation. In general:

  • Blue or continuously lit red - Indicate operating mode (AVCS and Rate respectively).
  • Red flashing - Indicates error diagnostic codes.
  • Violet - Indicates setup mode.

The table below summarises the Status indicator operation during

 Operating mode
 Description
 Steady red  Rate mode.
 Steady blue  AVCS mode - The rudder stick is at neutral.
 Blue 2 flashes  AVCS mode - The rudder stick is operated (not centered).
 Blue slow flashing  Start conditions not met. Gyro gain is set to less than 5%.
 Fast alternating blue/red  Gyro calibrating.

The table below summarises the error diagnostic codes.

 Error codes
 Description
 Red slow flashing  Gyro not receiving both rudder and gain signals. Possibly not produced by the receiver.
 Red 1 flash  Gyro not receiving rudder signal. Rudder plug is fitted incorrectly or broken yellow wire.
 Red 2 flashes  Gyro not receiving gain signal. Gain plug is fitted incorrectly or broken orange wire.
 Red 3 flashes  Power on calibration or self-test failed. Cycle power. If the problem persists contact us.

The table below summarises the Status indicator operation in servo type selection and gyro configuration modes.

Setup
Servo type selection
Gyro configuration mode
 Violet 1 flash  1520uSec / 333Hz  
 Violet 2 flashes  760uSec / 560Hz  Step 2: Set low servo endpoint
 Violet 3 flashes  1520uSec / 250Hz  Step 3: Set high servo endpoint
 Violet 4 flashes  960uSec / 333Hz  Firmware version. See knowledge base [topic 29].
 Violet always on  New selection stored.  Reversing on/off. * / New adjustments stored.
 Blue momentarily on    Endpoint adjustment crossing 100%

* During the first step of setup the Status light turns on/off in response to rudder stick movement to indicate if reversing is active.

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