114
9 Troubleshooting
9
3.8 ERROR 14 Air Operated Valve Error 4
Timing:
At the end of Air-Blow (BLW)
Criteria:
The difference pressure during Air-Blow did not reach the
Blow ΔP Limit
Probable Cause
Treatment
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
valve.
Contact Cosmo for repair.
Output Signal Timing Chart
PIN#
Function
TYPE WAIT
DL1 PCHK PCHG PEXH CHG BAL1
DL2
BAL2 DET
BLW
EXH
END WAIT
Standard
D-SUB
1B
18
STAGE #0
NO
2B
17
STAGE #1
NO
3B
16
ERROR
NO
5B
14
PASS
NO
6B
13
UL FAIL
NO
9B
36
BUSY
NO
10B
35
END
NO
12B
33
LL2 FAIL
NO
13B
32
LL FAIL
NO
14B
31
UL2 FAIL
NO
At the end of BLW
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