A11 - Measuring Cell Sq3 Signal Defective - LNS Quick Load Servo 65 Troubleshooting Manual

CHA PTER 1: ALAR MS
A11 – Measuring cell SQ3 signal defective
MEASURING CELL SQ3
SIGNAL DEFECTIVE!
- CELL DEFECTIVE
- OBSTACLE DETECTED
- CELL OBSTRUCTED
Description:
The « measuring cell SQ3 signal defective » alarm occurs whenever the PLC detects input (I25 – SQ3)
during more than 1 second before the loading table goes up or down. The problem is generated when the
switch is obstructed, defective or if any obstacle is detected in the switch detecting range.
Solution:
In the working screen, press the
Down until the INPUTS page is displayed:
Case Input
1 SQ3 = 1
2 SQ3 = 0
A11
key on the remote control. Press the key corresponding to Page
Solution
• Remove any obstacle in the detecting range of the switch.
• Check that the SQ3 switch adjustment.
Press the STOP button on the remote control to reset the alarm.
SQ3
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