Riken Keiki GD-84D-EX Series, Operating Manual

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6. Alarm Activation 6-2 Fault alarm patterns
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6-2 Fault alarm patterns
Fault alarms are triggered if abnormalities are detected in the product or sensors.
When a fault alarm is triggered, the fault lamp (FAULT) lights up (yellow). The fault code will appear on the
LCD.
<LCD display>
When a sensor fault occurs, a fault code is displayed for each sensor.
If a main unit fault and sensor fault are detected at the same time, the main unit fault and sensor fault are
displayed alternately.
<Main unit fault>
(With a flow loss fault [E-51 FLOW])
<Sensor fault>
(With a set potential fault [E-13])
<Power/fault lamp indications>
FAULT lights up (yellow)
NOTE

Following fault recovery, initialization is performed and it restarts.

Refer to ‘10. Troubleshooting’ for more information on faults and appropriate response.

If a fault alarm occurs, determine the cause and take appropriate action.

If faults occur repeatedly, contact Riken Keiki immediately.

The system enables fault alarm tests. (Refer to ‘7-9-4 Fault alarm tests (F TEST)’.)