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Installation – Lincoln Electric P709 GUARDIAN CONTROL SOLUTIONS User Manual

Page 47

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A-40

INSTALLATION

GUARDIAN CONTROL™ SOLUTIONS

A-40

TEST POINT AND INDICATORS

See Figure A.47.

A. Opening for test spray

B. LED display: indicates the contamination status of

the sensor and need for maintenance

C. Red LED: alarm; also reset button and functional

check

D. Yellow LED: failure

E. Blue LED: lack of airflow (<1 m/s)

F. Green LED: in operation

FIGURE A.47 – FEATURES

A

B

C

D

E

F