APC PMP3DS-A Benutzerhandbuch

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START
Possible diagnostic
display board failure.
Replace diagnostic
display panel. 
Is 
power
being supplied
to the
SPD?
Green phase LED(s)
not lit. And, no
Red LED(s) lit and 
no Alarm on.
Energize SPD
and verify proper
connection.
NO
YES
START
YES
NO
Red phase
LED(s) lit.
Check the power
utility feed and 
verify voltage 
levels.
Replace module(s)
that do not have
LEDs lit.
Energize SPD
and verify proper
connection.
Possible diagnostic
display board failure.
Replace diagnostic
display panel. 
Alarm
on?
Is alarm
Enable/Disable
LED on?
Press 
alarm Enable/
Disable switch. 
Is alarm
on?
Is alarm
LED on?
All module
LEDs on?
Check 
patch cable 
connections.* Is
Red LED(s) 
on?
Check
the voltage 
on each phase. 
Is the voltage
correct?
NO
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
Figure 9: Troubleshooting Flowcharts 
Replacement parts are available. For ordering information, contact APC
Customer Service 1-800-800-4272.
Replacement Parts
TROUBLESHOOTING
APC MODULAR PANEL PRODUCTS Surge Protective Device (SPD)
 
 
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* Patch cable is the cable inside the enclosure between the replaceable module(s) and the back side 
of the diagnostic display panel.
Warranty
For warranty information about your Surge Protection Device, go to the APC
Choose your part number from among the three categories listed under
Hardwire Surge Suppression. A screen containing information specific to
tab to locate the file containing your warranty.
Web site: 
www.apc.com. Choose Products, and then choose Surge Protection
and Power Conditioning. Scroll down to Hardwire Surge Suppression.
your Surge Protection Device is then displayed. Click on the 
Documentation