Question about APC Silcon UPS System

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"Communication to parallel IF lost"

My UPS Silcon cannot go to on line due the next alarm: "Communication to parallel IF lost".

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Posted on Jan 02, 2017

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SOURCE: problem with ups apc silcon 10kw 400v ups failure

can you tell me the simptoms?

Posted on Jul 11, 2009

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SOURCE: Password Protected for a UPS APC Silcon SL60KF

For Silcon UPS you must ask the person who install the unit if he change the password but for the defualt calibration password is 090909

Posted on Aug 14, 2009

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Problem (Stand by) Silcon 40kw 400v UPS (SL40KHB2)

Your English is OK, I can understand it! I can't say for sure but I believe that some UPS units don't come on unless they batteries are charged and in good condition. Try to locate the cells/batteries and check each one individually with a volt meter. The voltages should be almost the same on all batteries (usually 12 volts).

Apr 04, 2014 | APC Silcon UPS System

1 Answer


first check what display and buttons still work?
if there is a problem with the buttons, you have to replace a set of

Oct 04, 2013 | APC Silcon SL30KF (SL30KFB2-TU) UPS System

1 Answer

Silcon DP360, 3-phase 60kva, 400v, year 1993 1. Its old but working perfectly, after I changed the battery bank, because of collapsed cells, it still runs as expected but, I cant get any power readings...

#1. You should call APC Technical Support. It's free, and they will help you. You should get voltage even without a load on the unit.

#2. There is a Tripple-Slot unit for this device. It's specific for the Silcon based units. Read the manual, and there is a PN that you need for it. If it doesn't say SILCON, then it won't work. (I tried).

Data Centers Canada

Jan 28, 2011 | APC Silcon UPS System

2 Answers

My silcon 40kw was not run on batries battries are new and its battry fuse are also good

please clarify your problem. is the ups on? does it report any alarm? to see this alarms press * , then scroll down using the keypad button that has an arrow in it. if there is no battery weak alarm, press the enter key. does the display read 'normal operation' and does is show load percentage? if so press # the scroll through using arrow keys untill you get 'battery capacity test' , press c then # , this should start a battery capacity test, press battery voltage key. if the batteries are okey the voltages should read 400 then they continue to drop gradually. to revert to normal operation press # then c then # this should bring back the ups to normal operation

Dec 20, 2009 | APC Silcon UPS System

1 Answer

Password Protected for a UPS APC Silcon SL60KF

For Silcon UPS you must ask the person who install the unit if he change the password but for the defualt calibration password is 090909

Aug 07, 2009 | APC Silcon UPS System

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