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Chapter 1: Alarms
A042 – Home Position Proximity Switch SQ5 Signal Missing
HOME POSITION
PROXIMITY SWITCH SQ5
SIGNAL MISSING!
POSSIBLE CAUSES:
-SQ5 SIGNAL SWITCH
DEFECTIVE OR MIS-
ADJUSTED
-BROKEN BELT
Description:
The Home Position Proximity Switch SQ5 Signal Missing alarm occurs if input (I1.4 – SQ5) is not detected before the v-channel
moves to the upper position and the encoder reads the home position (0.0mm). The problem is normally generated when the switch
is mis-adjusted.
Solution:
Press the STOP key on the remote control station to clear the message and reset the alarm. Press the HELP key. Press F4 (Page
Down icon) twice.
Case
Input
Remote Pendant
1
Bit 4 = 1
2
Bit 4 = 0
A042
MODULE 1
Alarm needs to be cleared. Press the STOP key on the
76543210
remote control station to clear the message and reset
the alarm.
10000
• Check the adjustment of the SQ5 switch.
MODULE 1
• Check the tension of the drive belt. If it is not tight,
76543210
0
• Re-reference the bar feeder.
Solution
adjust. Refer to the Quick Load Servo S3 Instruction
Manual, pg. 6-14.
1 - 1 3
QUICK LOAD SERVO S3
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Do you have a question about the QUICK LOAD SERVO S3 and is the answer not in the manual?
Questions and answers
LNS BARFEEDER sps no response , how do i fix this error
The SPS No Response alarm on the QUICK LOAD SERVO S3 occurs due to a communication problem between the remote control station and the LNS PLC. To fix this error:
1. Check the connectors between the PLC and the remote control station inside the cross piece to ensure they are correctly attached.
2. Verify continuity between the PLC and the remote control station.
These steps help restore proper communication and resolve the error.
This answer is automatically generated