External connection – APC SILCON 10-40KW 400V UPS User Manual
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Installation Guide APC Silcon 10-40kW 400V UPS
990-4050
External Connection
4.6.5 Troubleshooting
The following table shows the solution to common problems with the operation of the Triple 
Chassis
4.6.5.1If Problems Persist
For problems not covered in the troubleshooting chart or for persistent problems, follow this 
procedure:
1) Note the serial number and date of purchase of the APC Silcon Triple Chassis. Contact APC
Customer Support at the phone number or address that is listed in this manual.
2) Be prepared to provide a description of the problem. A technician will help solve the
problem over the phone, if possible, or will give you a return material authorization (RMA) 
number.
3) If the APC Silcon Triple Chassis is under warranty, repairs are free of charge. If the
warranty has expired, there will be a nominal charge for repair.
AP9604S[R]
APC Silcon Triple Chassis
90
AP9606
Web/SNMP Management Card
110
AP9607
Interface Expander
45
AP9608
Out-of-Band Management Card
(Call-
UPS
II)
35
AP9612
Environmental Monitoring Card (Measure-UPSII)
60
AP9825i
Isolated Extension Cable
50
AP9830
Remote Power-Off Device
35
Problem
Possible Cause
Solution
Status LED is off
The chassis is not 
receiving adequate 
power.
See “Powering the APC Silcon 
Triple Chassis”, and verify that you 
are not exceeding current 
requirements.
Status LED is flashing 
quickly
The chassis has not been 
configured.
Configure the Silcon Triple 
Chassis. See the APC Silcon 
Management Quick Start Guide 
provided with your chassis or the 
Web/SNMP Management Card 
Installation Guide on the CD for 
more information.
Status LED is flashing 
slowly
The chassis is not 
communicating with the 
UPS.
Verify that the supplied UPS cable 
is properly connected to the Triple 
Chassis and to a communications 
port on the UPS.
Attached management 
peripheral cannot 
identify UPS model or 
nominal output voltage.
The management 
peripheral firmware 
does not support 3-phase 
UPSs.
You may be able to upgrade the 
firmware of the management 
peripheral. Call APC Customer 
Support.