LNS GT 326-E, Instruction Manual, Page: 122 / 218

9 TROUBLESHOOTING GUIDE
9 - 7
GT 326-E
AL05 Air Pressure Failure!
Description
SP1 pressure switch does not detect any air pressure
within 5 seconds. The problem is generated anytime air
pressure is not sufficient below 3 bar (45 psi).
Troubleshooting
1. Adjust the air pressure between 3 bar and max. 6
bar
2. Adjust or replace the pressure switch SP1 if
defective.
3. Press
“STOP” button on HMI to clear the alarm.
AL06 Guiding Channel Switch Failure! (SQ3/SQ4)
Description
Both guiding channel switches SQ3 and SQ4 are
simultaneously activated or deactivated.
Troubleshooting
1. Check if the SQ3 or SQ4 switches are defective or
misadjusted.
2. Press
“STOP” button on HMI to clear the alarm.
AL07 Guiding Channel Open Failure! (SQ3)
Description
When the bar feeder guiding channel starts to open
(PLC output Y05 ON) 5.0 seconds later the channel
open switch SQ3 signal is not present or the channel
close switch SQ4 signal remains ON.
Troubleshooting
1. Check if there is something is preventing the guiding
channel to open.
2. Check if switch SQ3 if defective or misadjusted.
3. Check if the air pressure is too low or if the guiding
channel opening cylinder is too slow.
4. Press
“STOP” button on HMI to clear the alarm.