CraftUnique CraftBot Plus Service Manual page 30

6. Troubleshooting - Electrical
Problem
The machine does
not operate when
the power switch
is turned on.
The screen is
blank.
Temp sensor error.
Machine is shaking
when homing the
print head.
Read timeout
during firmware
update.
Bed does not heat
up.
Hotend
overheating.
The printed object
does not stick to
the build plate.
Machine is noisy.
Bad print quality.
Service manual for CraftBot Plus and CraftBot 2 models
Page: 30 / 32
Causes
The power cord is not plugged
in properly.
Broken power cord.
Defective power swtich.
Blown fuse in the power supply
unit.
Defective power supply unit.
Firmware is erased.
Firmware is erased.
Loose connection.
Temp sensor damaged.
FFC cable damaged.
Pr3Dator panel fault.
Loose limit switch connection.
Switch is broken.
Using old CraftPrint.
Firmware need to be erased.
Loose bed heater connector.
Broken heating element.
Temp sensor is not in place.
Temp sensor damaged.
Build plate is dirty.
The build plate is uneven.
The build plate is not
calibrated, the nozzle is too
far from the surface.
Worn bearings.
Worn fans.
The nozzle is damaged.
The nozzle is clogged.
Filament drive gear dirty.
Filament drive gear worn.
Swing misallignment.
Hotend damaged.
Check procedures /corrective measures
Check the contact between the power plug
and the outet.
Check for continuity. If nothing, replace
the cord.
Check for continuity across the contacts.
If nothing, replace the power switch.
Check for continuity. If nothing, remove
the cause of the fault, and replace the
fuse.
With AC present, check for 24V DC betwe-
en the V+ and the V- on the power supply
unit. If nothing, replace the PSU.
Upgrade the firmware.
Upgrade the firmware.
Check the FFC cable connections.
Replace the FFC panel.
Replace the FFC cable.
Replace the Pr3Dator panel.
Check the connections.
Check the limit switch by a multimeter.
Replace the whole cable if faulty.
Install the latest CraftPrint version.
Erase the firmware with the buttons.
Check the connection.
Check the resistance of the heating ele-
ment. Replace if infinite.
Put back the temp sensor into the hotend.
Replace the FFC panel.
Clean the build plate with acetone.
Try to straighten the build plate.
Replace if neccessary.
Calibrate the build plate.
Replace the worn bearings.
Replace the worn fans.
Replace the nozzle.
Clean the nozzle. Replace if neccessary.
Clean the filament drive gear.
Replace the filament drive gear.
Check the distance between the filament
bearing and the drive gear. Adjust the gap
with the ext_top part, if neccessary.
Replace the hotend.
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