1
Elevator mechanics review Questions with Answers
(100% Correct Answers)
Car running up keep stopping why?— Answer: Contact is not
deenergizing in push button
Third-floor bulbs burn out why?— Answer: 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?— Answer: 2Fl 4/6
Why won't motor start?— Answer: MOL1 95/96
Car doors closed and won't run what do you check?— Answer: Check
for voltage at four and five
Bad Transistor
Top barricade can be replaced with?— Answer: 1/4" Cable
There is voltage at the switch but none at point a what's wrong?—
Answer: Either R1 or R2 open
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,2
The door close limit switch is not working do you have power from 35
to term eight. No power from 1 to 52 why?— Answer: Door limit
switch malfunction
Car running normally but the buzzer will not shut off why?— Answer:
EHP 2/3 shorted
Relay STR has voltage. TRU has voltage, RU has no voltage, why?—
Answer: TRU 9/8
Second floor PI illuminates then quickly extinguishes why?— Answer:
X1 4/6
On a machine, what is drilled out first?— Answer: Secondary sheave
Dumb waiter takes off before loading why?— Answer: Non
interference
Car levels in 3 inches high in down direction why?— Answer:
Counterweight
In bi-parting doors what gap is allowed before gate switch is open?—
Answer: 3/4"
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, 3
Pressure switch is wired in what direction— Answer: Down
directional
What is the tripping speed of counterweight governor?— Answer: No
more than 10% higher
There is excessive sparking on generator why?— Answer: High Micha
How does interpoles affect the Armature?— Answer: Reaction
What is the maximum door closing force?— Answer: 30 lbs and 7 lbs
kinetic
What do you do before replacing a relay on a controller?— Answer:
LOTO, Test, and Verify
When are spring buffers used?— Answer: Less than 200fpm
What are SCR's good for?— Answer: 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?— Answer: 75 ohm 200 watt adjustable resistor
Pump overload keeps tripping. How do you measure amperage?—
Answer: Clamp on meter separately each wire
© 2025 All rights reserved
Elevator mechanics review Questions with Answers
(100% Correct Answers)
Car running up keep stopping why?— Answer: Contact is not
deenergizing in push button
Third-floor bulbs burn out why?— Answer: 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?— Answer: 2Fl 4/6
Why won't motor start?— Answer: MOL1 95/96
Car doors closed and won't run what do you check?— Answer: Check
for voltage at four and five
Bad Transistor
Top barricade can be replaced with?— Answer: 1/4" Cable
There is voltage at the switch but none at point a what's wrong?—
Answer: Either R1 or R2 open
© 2025 All rights reserved
,2
The door close limit switch is not working do you have power from 35
to term eight. No power from 1 to 52 why?— Answer: Door limit
switch malfunction
Car running normally but the buzzer will not shut off why?— Answer:
EHP 2/3 shorted
Relay STR has voltage. TRU has voltage, RU has no voltage, why?—
Answer: TRU 9/8
Second floor PI illuminates then quickly extinguishes why?— Answer:
X1 4/6
On a machine, what is drilled out first?— Answer: Secondary sheave
Dumb waiter takes off before loading why?— Answer: Non
interference
Car levels in 3 inches high in down direction why?— Answer:
Counterweight
In bi-parting doors what gap is allowed before gate switch is open?—
Answer: 3/4"
© 2025 All rights reserved
, 3
Pressure switch is wired in what direction— Answer: Down
directional
What is the tripping speed of counterweight governor?— Answer: No
more than 10% higher
There is excessive sparking on generator why?— Answer: High Micha
How does interpoles affect the Armature?— Answer: Reaction
What is the maximum door closing force?— Answer: 30 lbs and 7 lbs
kinetic
What do you do before replacing a relay on a controller?— Answer:
LOTO, Test, and Verify
When are spring buffers used?— Answer: Less than 200fpm
What are SCR's good for?— Answer: 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?— Answer: 75 ohm 200 watt adjustable resistor
Pump overload keeps tripping. How do you measure amperage?—
Answer: Clamp on meter separately each wire
© 2025 All rights reserved
