ProArc TR-3500B, Руководство пользователя, Страница: 16 / 36

4. 1 TROUBLESHOOTING GUIDE
SYMPTOM POSSIBLE CAUSE / REMEDY
(1.) After switch on, the power light
doesn't lit
A. NFB jumps off.
To check the main circuit-disconnect or short.
B. No power input.
To inspect the AC power input voltage and phase.
C. DC24V no output
1. To inspect and make sure the switching power supply
input voltage is correct or not ?
2. To Check the Fuse was burn down or not? If yes, please
replace new one.
D. Control PC board.
Please refer the item (2.)
E. The indicator light breaks down.
1. To make sure the voltage of indicator-DC24V.
2. To inspect the indicator.
(2.) Control PC board indicator (LED
lamp) wasn't illuminated or
damaged.
A. AC or DC power input disconnected.
To inspect power input voltage and phase.
B. Fuse burn down.
To inspect the F1 & F2 fuse working or not, If damaged,
please replace a new one.
(3.) Inverter – no display. A. Inverter has no power input.
Check if magnetic contactor is defective (replace).
B. Inverter has power input.
Check if inverter’s digital remote panel is defective (replace).
(4.) Inverter – displays ALM. A. Inverter driver display" ALM "data.
To make sure the display status, and refer the inverter driver
Trouble shooting.
(5.) The turntable has no movement.
A. Remote control breaks down.
Please refer the item (6.)
B. Control PC board.
Please refer the item (2.)
C. Inverter breaks down, no output.
Please refer the item 3 & 4.
D. Failed motor
Check / change a new motor.
E. The reducer is damaged.
Replace a new reducer.
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