Doosan G20 SIIIA, Руководство по эксплуатации и техническому обслуживанию

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56 G20, 30, 40 SIIIA Operation & Maintenance Manual
COMMUNICATIONS
INSTRUMENTS
MISCELLANEOUS
Note: The above fault finding is provided as a guide check-list only. As the module can be configured to provide
a wide range of different features, always refer to the source of your module configuration if in doubt.
SYMPTOM POSSIBLE REMEDY
CAN DATA FAIL Indicates failure of the CAN data link to the engine ECU.
Check all wiring and termination resistors (If required).
SYMPTOM POSSIBLE REMEDY
Inaccurate generator
measurements on controller
display Check that the CT primary, CT secondary and VT ratio settings are correct for
the application.
Check that the CTs are wired correctly with regards to the direction of current
flow (pt, p2 and s1, s2) and additionally ensure that CTs are connected to the
correct phase (errors will occur if CT1 is connected to phase 2).
Remember to consider the power factor (kW = kVA x powerfactor).
The controller is true RMS measuring so gives more accurate display when
compared with an 'averaging' meter such as an analogue panel meter or some
lower specified digital multimeters.
Accuracy of the controller is better than 1% of full scale. Generator voltage full
scale is 415V ph-N, accuracy is ±4,15V (1% of 415V).
SYMPTOM POSSIBLE REMEDY
Module appears to 'revert' to an
earlier configuration When editing a configuration using the PC software it is vital that the
configuration is first 'read' from the controller before editing it. This edited
configuration must then be 'written' back to the controller for the changes to take
effect.
When editing a configuration using the fascia editor, be sure to press the
Auto
Mode
button to save the change before moving to another item or exiting the
fascia editor.