View Full Version : Trane PCB TNS 5 AMP fuse
12-21-2007, 06:50 AM
On two occasions, I have replaced a 5 amp fuse that links the 230 volt/24 volt transformer to the Printed Circuit board on my Trane household unit.
My service rep says I need to check for voltage coming into the unit/house, which I have done and measured 260 volts.
Our local energy supplier doesn't seem to think that the voltage being served is the problem.....
what do you think?
12-21-2007, 07:11 AM
I think you need to make a service call........it has nothing to do with the 260v going to your house. We're not allowed to give DIY advice due to the rules here....but it shouldn't be a hard problem to correct. Good luck.
12-22-2007, 06:53 AM
I didn't think my service guy was correct either.
12-22-2007, 07:21 AM
Try a different service guy !
12-22-2007, 07:23 AM
The equipment is good for 10% over nameplate value listed. 230+10%=253 What doe's it say on the nameplate.
12-22-2007, 08:43 AM
240 volts on the name plate........263 at the power breaker:)
12-22-2007, 09:37 AM
Voltage is acceptable then. Its right at the border line but it is acceptable. Has to be another issue.
12-23-2007, 09:16 AM
It is apparent your service tech dosen't have a clue. Get another one. There is a problem on the low voltage side of the operating system. should be easy to find if you know what your doing.
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