5
4.
Diagnostic system
Perun ETU++ has a diagnostic system that will help you find the source, should you encounter a
problem. After the battery is connected, the unit undergoes a start-up check, to make sure the replica
is ready to work. Successful completion of this check is indicated by a short green blink of the LED.
Problem and LED color
Description
Disconnected motor /
Switch check
Yellow, blinking
This not only provides information about the disconnection of the
motor, but it is also a switch check mode for the trigger, selector, and
sector gear switches. With the motor disconnected, engaging the
switches will cause the LED to glow purple (trigger), green (selector),
or blue (sector gear) for a moment. This can be used for
troubleshooting problems with the switchboard in the gearbox.
Reconnecting the motor will restore normal function.
Attention
: Motor check only takes place at start-up. A disconnection
after the start-up will not be signaled!
Fuse activation
Red, continuous, or blinking
Activation of the fuse with a distinction between a short circuit
(continuous red) and gearbox jam (blinking red). In some situations,
this distinction may not be correct, for instance, a gearbox jam may
be incorrectly read as a short circuit and vice versa.
The unit will start functioning normally after the battery is
reconnected, unless there still is a short circuit that will be detected
at the next start-up.
Trigger pull detected during
start-up
Yellow and purple blinking
alternately
The unit detected that the trigger was being held during start-up. This
can also indicate a short circuit of the signal wiring or mechanical
malfunction of the trigger mechanism.
The unit will start functioning normally after the trigger is released.
Gearbox cycle detection
failure
Yellow and green blinking
alternately
The unit did not receive information about cycle end from the sector
gear switch and stopped firing only after safety time limit was
exceeded. This may indicate a problem with the switch, cut-off lever,
or damaged wire.
Unit temperature is too high
Yellow and white blinking
alternately
Too high temperature of the unit (electronic board) was detected. It
will not function again until it cools down, after which it will operate
normally.
Battery with too low voltage
is connected
Yellow and teal blinking
alternately
The battery with a voltage below 7V is connected. Change the battery
to one with voltage between 7V and 17V.
Battery with too high
voltage is connected
Red and teal blinking
alternately
The battery with a voltage over 17V is connected. The battery must
be immediately disconnected, as it can cause permanent damage!
Change the battery to one with a voltage between 7V and 17V.
