Siruba ASP-PTA100 Original Instructions Manual page 42

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A. 無電源
Step 1. 檢查電源插頭是否完整插入 ?
Step 2. 檢查電源開關是否開啟 ?
Step 3. 檢查控制基板
a. 檢查控制板 LED 是否正常亮起 ?
b. 電表量測 CN6 是否為 DC24V?
c. 檢查 F1 ( 3.15A FUES) 是否燒斷 ?
d. 電錶量測 U3 是否為 5V 與 3.3V?
5V 量測 U3 Pin3 與 Pin1
3.3V 量測 U3 Pin2 與 Pin1
B. 步進馬達轉動異常
目測 U11 (SLA7073MRT ) IC 外觀塑膠部份是
否有裂痕 ?
P37
A. No Power
Step 1.check if power connector fully plugs
in.
Step 2.check if power switch is on.
Step 3.check control board.
a.check LED of control board is on.
b.use meter to check if CN6 is DC24V.
c.check if F1 ( 3.15A FUSE) burn out.
d.use meter to check if U3 is 5V or 3.3V.
5V check U3 between Pin3 and Pin1
3.3V check U3 between Pin2 and Pin1
B. stepping motor runs error
Visually inspect U11 (SLA7073MRT ) IC if
there is damage on plastic outlook.
LED
U11

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