6.3.3 Plugging the AC power
● Plug in the AC power cord, check to make sure the proper setting for AC voltage is
selected (110V/220V) and turn on the switch.
6.3.4 Selftest
The purpose of the selftest routine is to check most common errors when assembling and
connecting electronics and to help indicate any possible errors after assembly. You can run
the
Selftest
from
Settings
menu on LCD panel. This should not be necessary on the
assembled printers as those are pretested.
Initiating this routine performs a series of tests. The progress and results of each step are
displayed on the LCD. In case of errors found, the selftest is interrupted and the reason for
error is shown to guide users in troubleshooting.
Test consists of
Heatbed
and
hotend
proper wiring
XYZ motors
proper wiring and functionality
XYZ endstop
mechanical settings and proper wiring.
Error messages and resolution :
Heater/Thermistor Not connected :
Check proper wiring of hot end power cables and thermistor cables. Ensure that both
are properly connected to the Rambo electronics, and that they are not swapped.
Bed/Heater Wiring error :
Check that heatbed and hotend power cables are not swapped or thermistor cables
from both hotend and heatbed are not swapped in the Rambo electronics.
Endstops Wiring error {
XYZ
} :
Check the proper cabling of endstops. Routine indicates axis on which endstop
reported malfunction or is not properly responding. Check the proper connection in
the Rambo electronics.
Motor {
XYZ
} Endstop {
XYZ
} :
Check that motor and endstop on indicated axis are properly connected to the
Rambo electronics and not swapped with motor or endstop of different axis. Axis
causing the problems is indicated on the LCD panel.
Endstop not hit Motor {
XZY
} :
Check mechanical settings that endstop can be reached when axis is in maximal
position.
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