Table of Contents
Advertisement
● Caution on the use of external display selection input (option)
External power consumption is 0.4VA at AC110V or 1.4VA at AC220V or 0.4W at DC110V.
In case a relay or a switch is used for power-supply supply, please use the thing
of about 1mA of the minimum application loads.
7. Maintenance and check
7.1 Trouble shooting
Symptoms
Indicator does not
display.
Backlight does not
lights.
Have a margin of
measurement error.
Analog output is not
outputted.
Pulse output is not
outputted.
Alarm output does not
return.
Settings changed.
7.2 Check
Be careful with the following items periodically.
(1) Check if the measuring values, scale digits, units, etc. are displayed correctly.
(2) Check if LCD is free of a color change, breakage of case, or other defects.
(3) Check the unit for loose wiring and loose mounting screws.
(4) Please remove, if dust has adhered to the product.
Possible causes
The power supply is not supplied.
(Not connected. or voltage is low)
Measurement display ON/OFF setting is set to OFF.
Trouble of device.
It is set as auto off or always-off.
Setting of a range is not right.
Setting of a input voltage is not right.
Wiring is not right.
Outside the rated frequency (45～65Hz).
Cycle control, SCR phase angle control, PWM control,
or other inverter output is measured.
Analog output is set to OFF or measurement factor is
set to OFF.
Pulse output is set to OFF or measurement factor is
set to OFF.
The return method is a "manual reset".
It changed an input circuit or input voltage setting.
Check the auxiliary supply.
Again, a power supply is supplied.
Check the setting.
Replace the device.
Check the setting.
Please set again.
Check the setting.
Check the wiring.
It cannot be used.
It cannot be used.
Check the setting.
Check the setting.
Check the setting.
Please set again.
60
SFLC-211-185
P N
28
29
Remedial measures
Advertisement
Table of Contents
