9 Troubleshooting
115
9
3.9 ERROR 15 Air Operated Valve Error 5
Timing:
At the end of Stabilization (BAL2) Only for High press and External Press.
Criteria:
Pressure switch monitoring the pilot pressure for the Balance (BAL) valve is not activated.
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.
Malfunction of the pressure switch monitoring the
pilot pressure for the Balance (BAL) valve.
Contact Cosmo for repair.
As a provisional measure, the pressure switch monitoring can be disabled.
Go to:
Settings > Common Settings > Special > PSW Monitoring
> Disable
Output Signal Timing Chart
PIN#
Function
TYPE WAIT
DL1 PCHK PCHG PEXH CHG BAL1
DL2 BAL2 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
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