Zephyr problem

[Anonymous]

QUOTE: Originally posted by simon1966

Remember that the decoder is what controls the power that gets to the motor in a DCC installation. Have you looked at the CV's for motor control, speed curves, start and stop voltages etc? In your DC setup you are delivering full power direct to the motor.

when I read CV5, max volts, it came back as 000, which I understand is max, I reset to 250, 255 is max, no change.

[simon1966]

Remember that the decoder is what controls the power that gets to the motor in a DCC installation. Have you looked at the CV's for motor control, speed curves, start and stop voltages etc? In your DC setup you are delivering full power direct to the motor.

[Anonymous]

QUOTE: Originally posted by simon1966

When you say it can't make it up the hill at 100% do you mean that it stops on the hill with the throttle at 100%? If it slows and stops, are the wheels spinning or is the motor stalled out? Or does it make it up the hill, just very slowly and with much struggle?

It makes it up the hill with no weel slippage, just painfully sloooow.
I have a P2K S1 that acts the same way.

Pat

[simon1966]

When you say it can't make it up the hill at 100% do you mean that it stops on the hill with the throttle at 100%? If it slows and stops, are the wheels spinning or is the motor stalled out? Or does it make it up the hill, just very slowly and with much struggle?

[Anonymous]

OK here's the problem; I have a small layout, 4o' mainline buss 12g
wire. Zephyr feed connected at the 30' point(30' of buss one
direction & 10' the other). 20g feeds every 6'. soldered rail
joints. All this was worked fine with a MRC Tech2 2400 20VDC output
connected to the layout with 4' of 20g speaker wire and alligator
clips. I could run an Athearn F7A with 8 passenger cars around the
layout @ 65% power, up the hill @ 75% &down @ 55%. Now with a DH163
installed in the same F7A , pulling the same train, it cant make it
up the hill at 100%.

Tests that I've made so far;
Disconnected Zephyr and connected the Tech2 at the same point, no
decoder F7 ran to fast all around layout, decoder F7 running on DC
half the speed.

Connected Zephyr directly to rails; no speed change.

read CV 05, max volts, it came back 000which I understand is default
max. reset to 250(255 is max) and no noticeable change.

I will try Tech support later today, don't know if they're in on
Saturdays if not I'll call Monday.

Thanks for listening.
Pat