Riken Keiki OHC-800, Руководство по эксплуатации

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9 Troubleshooting 9-1. <FAILURE>
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Display State explanation Main cause and required action
Main controller:
Abnormal temperature
detected Unless an abnormality is found in the installation
environment, a malfunction of the main controller
is suspected.
Main controller:
Supply power abnormality
detected Unless an abnormality is found in the OHC-800
supply power, a malfunction of the power
terminal unit or main controller is suspected.
Main controller:
Optical sensor unit
abnormality detected A malfunction of the connecting cable between
the main controller and the optical sensor unit or
the optical sensor unit is suspected.
Main controller:
Sonic sensor unit
abnormality detected A malfunction of the connecting cable between
the main controller and the sonic sensor unit or
the sonic sensor unit is suspected.
Main controller:
4 - 20 mA output signal
abnormality detected Unless an abnormality such as a break in 4 - 20
mA cable is found, a malfunction of the power
terminal unit or main controller is suspected.
Optical sensor unit:
ROM abnormality detected An abnormality in the optical sensor unit ROM.
The optical sensor unit must be replaced.
Optical sensor unit:
RAM abnormality detected An abnormality in the optical sensor unit RAM.
The optical sensor unit must be replaced.
Optical sensor unit:
FRAM abnormality detected An abnormality in the optical sensor unit FRAM.
The optical sensor unit must be replaced.
Optical sensor unit:
Temperature abnormality
detected Unless an abnormality is found in the installation
environment, a malfunction of the optical sensor
unit is suspected.
Optical sensor unit:
GAS OUT abnormal
absolute pressure detected Unless an abnormality in the GAS OUT exhaust
environment or tubing such as clogging is found,
a malfunction of the optical sensor unit is
suspected.
Optical sensor unit:
Supply power abnormality
detected Unless an abnormality is found in the OHC-800
supply power, a malfunction of the power
terminal unit or optical sensor unit is suspected.
Optical sensor unit:
Abnormally low brightness
of interference fringe image
data detected A damage of the optical sensor unit due to
inhalation of foreign substances or waste
materials is suspected.