Troubleshooting; Error Code List - Optex DOS-20 Instruction Manual

Optical dissolved oxygen sensor
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Troubleshooting

Error code list

The following table describes error codes, causes and actions.
If you find any problem other than the error codes, refer to "When in trouble"
in the "Universal Transmitter SC-U1 Operation Manual".
When the normal condition is not recovered after the countermeasure is taken,
when any problem other than these occurs, or when requesting repairs, check
the model and the serial No. of the product, and then contact the dealer.
Error code and details
E1000
Communications error
E2000
Sensor processing/sensor
failure
Cause
The sensor cable
is broken.
The sensor cable
is not properly
wired.
The sensor is
out of order.
SC-U1 was
operated while
the sensor was
being processed.
The sensor cable
is broken.
The sensor cable
is not properly
wired.
The sensor is
out of order.
Action
Make sure that the cable
is not damaged. If any
damage is found, contact
the dealer.
Turn off power of the
transmitter, check the
wiring, and be sure to wire
properly.
The sensor must be
repaired. Contact the dealer.
The sensor is no longer
accepting input from
SC-U1. The display returns
to the measurement value
after a few seconds.
Make sure that the cable
is not damaged. If any
damage is found, contact
the dealer.
Turn off power of the
transmitter, check the
wiring, and be sure to wire
properly.
The sensor must be
repaired. Contact the dealer.
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