Troubleshooting: NCV Offline troubleshooting 89
TROUBLESHOOTING
NCV OFFLINE TROUBLESHOOTING
If an NCV Offline error occurs with the system, there are several ways to diagnose where the problem may exist.
Always have the engine running when performing the NCV diagnostic tests to ensure there is sufficient electrical
power available to the system. If NCVs are moved around, disconnected, or replaced, it may be necessary to cycle
power to the system and recalibrate to clear any errors and properly reestablish communication.
When making wiring or connection repairs, turn off the engine and disconnect battery power to safely work on the
equipment. When wiring repairs are completed, it may be necessary to cycle power or recalibrate the system to
ensure communication is reestablished properly to the system.
NCV ALARMS
When an NCV Offline alarm happens, whether due to loss of power, loss of communication, or another error, an
alarm will display on screen.
Select the Accept (check) button to accept the error and return to the previous screen.
FIGURE 3. Example On-Screen Alarm
Note that the NCVs affected by the alarm are displayed on the alarm prompt. An ellipsis (...) is displayed if more
NCVs are affected by the alarm condition. In this instance, just note the range of NCV IDs visible (e.g. 1-17, etc.).
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