9
7. Limited Switch Issue
Step 1 . Limited Switch Test
Before Exchange:
Choose X Pos.Fast , test X Limited Switch:
Abnormal; Choose Y Pos.Fast , test Y Limited
Switch: Normal
After Exchange:
If Choose X Pos.Fast , test Y Limited Switch:
Abnormal; Choose Y Pos.Fast , test X Limited
Switch: Normal. You need to
replace a
mainboard
.
If Choose X Pos.Fast , test Y Limited Switch:
Normal; Choose Y Pos.Fast , test X Limited
Switch: Abnormal.You need to
replace a
limited switch
.
You can use same method to test other
limited swtich.
Example: Before exchange ,
X Pos.Fast
,X motor is abnormal .
Y Pos.Fast
, Y
motor is good. Change X, Y motor connection ,
X Pos.Fast
, Y motor is
abnormal.
Y Pos.Fast
, X motor is good. You need to
replace a mainboard
; or
X Pos.Fast
, Y motor is good.
Y Pos.Fast
, X motor is abnormal, you need to
replace X motor
.
Y_Stop
X_Stop
Before Clicking
Limited Switch
After Clicking
Limited Switch
Example: X Limited Switch Testing