Maintenance
Sageon III Power System
PM990-8800-00, Rev. 9
6-2
11.
Test any spare Rectifiers.
a)
Insert a spare device.
b)
Test the device to ensure correct operation.
c)
If the device is to remain a spare, remove it and repeat the above steps until all spares are tested. If spares are to remain
installed, for run-time equalization, repeat the above steps until the spare devices are installed.
6.3 TROUBLESHOOTING
Troubleshooting is based on displayed alarm messages and error codes that appear in response to a detected change in status of the
Sageon III Power System, batteries, or environment; see Table 6-1.
TABLE 6-1 ALARM MESSAGES AND ERROR CODES
Location
Display Method
See Chapter or Section
Operator Panel
LED
Chapter 4 Configuration and
Operation
Operator Panel or connected
personal computer
Text message
Chapter 4 Configuration and
Operation
Rectifier front panel
LED
Section 6.3.1
It is possible for a configuration mistake to cause an error or change in status display. If this occurs after editing the configuration or
uploading a new configuration from a PC to the Sageon III Power System, carefully check the configuration’s programmable
parameter values before changing a hardware assembly.
Reading Rectifier Status Led Codes
There are 3 LEDs on a Rectifier’s front panel to indicate operating status; see the following table.
TABLE 6-2 RECTIFIER LED CODES
Green
Yellow !
Red
x
Meaning
User Action
Off
Off
Off
No AC power to Rectifier.
Apply AC power to
Rectifier
Flashing
Off
Off
AC input is too low or too high.
Primary circuit is faulty.
Troubleshoot AC input to
Rectifier; replace
Rectifier
On
Off
Off
Rectifier functioning normally in Float
mode.
No action needed
On
Flashing
Off
Alarm condition.
Refer to Chapter 4
Operations and Replacing
a Rectifier in Chapter 6
Maintenance
On
On
Off
Rectifier functioning normally in
Equalize mode.
No action needed
Off
Flashing
On
Rectifier shut down by remote control.
Rectifier not inserted in holder
properly.
Internal control circuit fault.
No action needed
Remove and reseat
Replace Rectifier
Off
Off
On
SCU microprocessor fault.
Replace SCU
6.4 REPLACING A RECTIFIER
In the event of Rectifier failure, replace the unit. There are no user-serviceable parts in the Rectifier.
