Elevator Forum

Scott Davidson
@scott-davidson
Honorable Member
Joined: Jan 1, 2010
Topics: 73 / Replies: 329
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welcome aboard controlguy, hope you can help some of our brothers or we can help you. I have noticed that the member numbers are at 165, if all 165 to...

16 years ago
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Hey smitty, sounds like you have banged your head here quite a few times. I have banged my head so often on elevator controllers, I have lost all my h...

16 years ago
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Replies: 0
Views: 756
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I have seen in some of my manuals that the position and velocity encoders have an external regulated 5 volt power supply that feeds the encoders. do y...

16 years ago
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do the call lights for the second floor light and stay latched, if not, then you are probably getting a fault at the bottom floor, check your selector...

16 years ago
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hey smitty you said you swapped the A2 card with another car, did it blow the u41 chip on that A2 card also?, did you change the multiplex transceiver...

16 years ago
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Just adjust the tap on resistor R3 to slow the door down in the close only, there are two taps on r3 one for open and one for close basic speed.this w...

16 years ago
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Replies: 0
Views: 2187
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I have also had that same situation, good posting smitty, my memory is not what it used to be

16 years ago
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When the car is locked up, put your meter between terminal SC and LOM on the top card which is the Power card. If it is 0 VDC then the cars Low oil ti...

16 years ago
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I would swap the amplifier board with another car, i have had intermittent eao problems before, usually eao trips if the car speed is above 150 fpm ei...

16 years ago
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hey lift tech, did you get this one fixed? If not I had one that was doing the exact same thing. It lasted for over a year before I finally fixed it. ...

16 years ago
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thanks danzeitz, I must be getting old, i think i have run into the relevel issue causing the fault 7 before, my memory is not what it used to be. i w...

16 years ago
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16 years ago
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Replies: 3
Views: 2721
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If this is a dover I series valve, you only have one valve coil energized at a time, one for hi speed and one for low speed. I have seen repair crews ...

16 years ago
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