Question about Simplex 4009-9001 Nac Power Extender Panel
We get battery trouble alert on 4010 main panel, but 4009-9201 shows no trouble via LED's. Trouble is only cleared by disconnecting battery and AC power and 4010 will reset. the battery circuit is reading 24.9 volts with the batteries connected or between the red or black lead and the batteries. It reads nothing between the battery charger leads without the batteries in the circuit. Do you know where the trouble might be or how to verify the problem is in the 4009-9201 panel?
My problem turned out to be with the board and the output of the charger was too low. It needs to be about 27.5 volts. The transformer was okay but the circuit that controlled the output was bad and even with adjusting the potentiometer we could not get the charger to put out the correct voltage. The fix was a new board from Simplex. We got a deal as the tech that came out had the board on his van . Labor and parts were $1,100.00. We get a lot of spikes where we are in Arizona and suspect that a bit of a jolt from a spike or nearby lightning strike wounded the board. A surge protector can help but a hard hit will toast this board.The trouble sensor looks for a full output charge or it will show a trouble
Hope that helps
Posted on May 12, 2014
Another possible problem is that the battery amp hours are too low. To test this you will need a battery tester, a meter will not simulate load tests, etc..
Posted on Feb 25, 2016
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Posted on Jan 02, 2017
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