Watlow Series D8 - Manual (Page 181)

Series D8 User’s Guide Chapter 7: Troubleshooting and Reconfiguring
Doc. 0600-3120-2000 Watlow Anafaze 163
Table 7.4 Network Status Indicator Light
Corrective and Diagnostic Procedures
The following sections detail procedures you may use to diag-
nose and correct problems with the controller.
Low Power
If the controller displays Low power or the display is not lit:
1. Turn the power to the controller off, then on again.
2. If the Low power alarm message returns, check that the
power supplied to the controller is at least 12.0 Vdc at
1 A. See Wiring the Power Supply on page 23.
3. If power is correct and the alarm message persists, make
a record of all controller settings. Then, clear the RAM.
See Clearing the RAM on page 169.
4. If the alarm is not cleared, contact your supplier for fur-
ther troubleshooting guidance. See Returning a Unit on
page 158.
Battery Dead
The Battery dead alarm indicates that the battery is not func-
tioning correctly. This alarm occurs upon powerup only. The
alarm indicates that values stored in memory may have been
corrupted because of battery failure and should be restored to
factory defaults.
Indicator Light Description
Off
The device is not online.
The device has not completed the duplicate MAC ID test yet.
The device may not be powered. Look at Table 2.10, Module Status
Indicator Light.
Green
The device is online and has connections in the established state.
For a Group 2 Only device it means that the device is allocated to a
Master.
Red
Failed communication device.
The device has detected an error that has rendered it incapable of
communicating on the network (Duplicate MAC ID, or Bus-off).
Flashing Green
The device is online, but no connection has been allocated or an
explicit connection has timed out.
Flashing Red A poll connection has timed out.