Troubleshooting Using The Sid - Alpha Technologies CFR 600 Operator's Manual

6. MAINTENANCE
6.7
The OUTPUT LOAD LED's, located on the front panel of the Standard
Interface Device, are designed to display UPS fault conditions once the unit
has detected an internal problem, indicated by the SERVICE LED. This
information provided by the LED's is extremely useful during troubleshooting
and maintenance. If the UPS is equipped with an I
manual for further troubleshooting information.
If your UPS SERVICE LED is ON, press and hold the ALARM OFF
switch for approximately 3 seconds. The OUTPUT LOAD LED's indicate:
LED
OVERLOAD
OVERLOAD
100%
100%
75%
75%
50%
50%
25%
25%
SERVICE LED

Troubleshooting Using the SID

Status
Flashing
ON
Flashing
ON
Flashing
ON
Flashing
ON
Flashing
ON
OUTPUT LOAD LED's
Standard Interface Device - Fault Indicators
Standard Interface Device (Troubleshooting)
2
Condition
Not Applicable
Fast Detector / Low Sensitivity Fault
PLL Fault
High Ambient Temperature
Output Voltage High
Output Voltage Short Circuit
PWR BRD Fault / -5 VDC Failure
PWR BRD EPROM Failure
Self-Test Failure
Battery Over-Voltage / Charger Fault
ALARM OFF Switch
Figure 20
56
D, refer to its operator's