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8. TROUBLESHOOTING
ENGLISH
(+) (-)
(+) (-)
(+) (-)
Pressure sensor
Controller board
Figure 65 Current loop measurement circuit
Figure 66 Controller voltage measurement circuit
DC24V
(+)
Controller board
- Place at DC 30V
- The measurement should
be within DC 22V±5%.
DC24V
(+)
Even if the inspection was carried out as above, the cause was not still found, connect current generator to the input
connector(DC 24V and (+)) of the controller and check whether the indicated value changes according to the change
of the current.
In this case, if the controller indicator value does not change according to the change of the current, it should be
judged as controller defect.
Summary of Contents for LCWW
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