44 Chapter 6 Troubleshooting
RDU-S Rack Data Unit User Manual
Chapter 6 Troubleshooting
The chapter introduces the troubleshooting of the data unit.
See Table 6-1 for the troubleshooting.
Table 6-1 Troubleshooting
Fault phenomenon
Treatment
After the data unit is powered on, the power
indicator is off and the running indicator (see
Figure 1-2) is not blinking
Check that the host board is powered on
After the network cable is connected, the
indicator on the Ethernet port is off
1. Check that the network cable is normal.
2. Check that the device in upper network is working normally
No response occurs after the Micro SD card is
inserted
1. Check that no obstructs exit in the Micro SD card slot.
2. Check that the Micro SD card is inserted in place. It is recommended to
insert it again.
3. Restart the data unit. After unplugging and plugging the Micro SD card, the
data unit must be restarted to read the data
No response occurs after the corresponding
sensor is connected
1. Check that the sensor is working normally.
2. Check that the configuration file is configured correctly.
3. Check that the channel used by the sensor does not have conflict
SMS message error without response
1. Check the model number of GPRS Modem, and make sure that the modem
being used is supported by the system.
2. See supported modem list in RDU brochure
No communicating for PDU
1. Check the model number of PDU. Make sure that it is Serial Switched PDU,
Serial Metered PDU or Serial Mps PDU.
2. Check address of the PDU
Summary of Contents for RDU-S
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