114 9 Troubleshooting
3.8 ERROR 14 Air Operated Valve Error 4
At the end of Air-Blow (BLW)
The difference pressure during Air-Blow did not reach the Blow ΔP Limit
Pilot pressure fluctuates or the
pressure setting is inappropriate.
Adjust the pilot pressure between 400kPa and 700 kPa.
Avoid using air tools branching off the pressure source of the LS-R700 to supply an stable
air.
Setting up a dedicated pressure source for the LS-R700 is recommended.
Air-Blow (BLW) timer is too short or
Blow ΔP Limit is too high.
Extend the Air-Blow (BLW) timer or lower the Blow ΔP Limit.
Air-Blow (BLW) Timer:
Go to: Settings > Advanced Settings > Timer > Air-Blow (BLW)
Blow ΔP Limit:
Go to: Settings > Advanced Settings > Self Check > Blow ΔP Limit
Malfunction of the test pressure sensor
(PS), solenoid valve or air-operated
Contact Cosmo for repair.
Output Signal Timing Chart
Function TYPE
WAIT DL1 PCHK
PCHG
PEXH
CHG BAL1 DL2 BAL2 DET BLW EXH END WAIT