Optex DOS-20 - Page 50

50
Error code and details Cause Action
E3600 to E3699
Sensor error
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The sensor cable
is broken.
Make sure that the cable is
not damaged. If any damage
is found, contact the dealer.
The sensor cable
is not properly
wired.
Turn off power of the trans-
mitter, check the wiring, and
be sure to wire properly.
The sensor is
out of order.
The sensor must be
repaired. Contact the dealer.
E4200 to E4299
Calibration error
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E4200
Calibration
failed.
Remove dirt and bubbles
from the measurement block
and perform calibration
again. Contact the dealer if
the error occurs again. The
sensor must be repaired.
If the salinity correction
is being made, set the
correction value to 0 PSU
and then perform the
calibration again.
M500 to M599
Sensor cap error
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The sensor cap
is not properly
attached.
Properly attach it referring
to “3 Attaching the Sensor
Cap” P.8.
The sensor cap
has deteriorated.
Refer to “Replacement of
consumables” P.51 to
replace the sensor cap.
MAINT
Maintenance notification
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The sensor cap
replacement
timer has passed.
Refer to “
◆
Canceling
sensor cap replacement
notification” P.43 to cancel
the notification.
The maintenance
timer has passed.
Refer to the “Universal
Transducer SC-U1
Operation Manual”, “
●
Canceling maintenance
notification” to cancel the
notification.