-
5. Is it malfunctioning?
failure
Failure Cause/Measures
referen
c e
page
gi
Power will not turn
on.
Defective adapter → Adapter replacement
5
Poor connection of DC power leads →
reconnect
5
Faulty POE exchange connection
→ Heavy new and POE exchange connection
5
"STATUS" lamp
No lights on
Power supply not connected → Connect power
supply
5
Damaged lamp → Return for repair
13
"STATUS" lamp
Red light
Vacuum source not operating. Refer
to →3720
-06 MODBUS
Communication Protocol.
7
Leaking vacuum source piping. Or clogged
pipe.
→Examine the vacuum source for leaks.
Eliminate
clogged areas.
be just about to
-
Piping inside the unit is clogged.
→Returns and Repairs
13
Torn internal parts of the main unit →
return for repair
13
When a particle is
detected.
"PARTICLE" light does
not
blink.
Torn internal parts of the main unit →
return for repair
13
Analog output
4~20mA
output error
Analog output wiring error → Correct wiring
7
If the error output setting is on, the current
output is 4 mA or less according to the error.
7
Internal circuit failure → Return for repair
13
Alarm terminal output
abnormal
Analog output wiring error → Correct wiring
7
Internal circuit failure → Return for repair
13
Summary of Contents for 3720-06
Page 1: ...Laser Particle Sensor MODEL 3720 06 Intense Light Particle Sensor User s manual...
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