Answers | Verified | Latest 2024 Version
Car running up keep stopping why? - ✔✔Contact is not deenergizing in push button
Third-floor bulbs burn out why? - ✔✔Shorted resistor
Car will not travel to second floor without a third-floor me a call and will not go down from three
without a second-floor hall, what's the problem? - ✔✔2Fl 4/6
Why won't motor start? - ✔✔MOL1 95/96
Car doors closed and won't run what do you check? - ✔✔Check for voltage at four and five
Bad Transistor
Top barricade can be replaced with? - ✔✔1/4" Cable
There is voltage at the switch but none at point a what's wrong? - ✔✔Either R1 or R2 open
The door close limit switch is not working do you have power from 35 to term eight. No power from 1 to
52 why? - ✔✔Door limit switch malfunction
Car running normally but the buzzer will not shut off why? - ✔✔EHP 2/3 shorted
Relay STR has voltage. TRU has voltage, RU has no voltage, why? - ✔✔TRU 9/8
Second floor PI illuminates then quickly extinguishes why? - ✔✔X1 4/6
, On a machine, what is drilled out first? - ✔✔Secondary sheave
Dumb waiter takes off before loading why? - ✔✔Non interference
Car levels in 3 inches high in down direction why? - ✔✔Counterweight
In bi-parting doors what gap is allowed before gate switch is open? - ✔✔3/4"
Pressure switch is wired in what direction - ✔✔Down directional
What is the tripping speed of counterweight governor? - ✔✔No more than 10% higher
There is excessive sparking on generator why? - ✔✔High Micha
How does interpoles affect the Armature? - ✔✔Reaction
What is the maximum door closing force? - ✔✔30 lbs and 7 lbs kinetic
What do you do before replacing a relay on a controller? - ✔✔LOTO, Test, and Verify
When are spring buffers used? - ✔✔Less than 200fpm
What are SCR's good for? - ✔✔They are quieter and make less vibration then motor generator set
You have a 200 ohm resistor at 200 Watts what do you replace it with? - ✔✔75 ohm 200 watt adjustable
resistor