Ground Control Box; How To Test The Transformer - Ac Models; How To Test The Ac Contactor - Ac Models - Genie DPL-25S Service Manual

Section 7 - Repair Procedures

Ground Control Box

2-1
How to Test the Transformer
- AC Models
1 Fully lower the platform, turn the key switch off
and disconnect the power supply.
2 Open the ground control box and locate the
transformer.
3 Label and then disconnect all wiring from the
transformer.
4 Connect the leads from an ohmmeter to the
following terminal combinations and check the
resistance.
h
e
d
c
a yellow wire
b black wire
c white wire
d brown wire
e blue wire
f red wire no. 1
g red/yellow wire
h red wire no. 2
Test
brown wire to blue wire
black wire to white wire
yellow wire to white wire
red/yellow wire to red wire no. 1
red/yellow wire to red wire no. 2
red wire no. 1 to red wire no. 2
yellow wire to black wire
all other wire combinations
7 - 4
g f
b a
Desired result
20 to 22 Ω
16 to 19 Ω
16 to 19 Ω
0.5 to 1.5 Ω
0.5 to 1.5 Ω
0.5 to 1.5 Ω
0.5 to 1.5 Ω
no continuity
(infinite Ω)
DPL-25S • DPL-30S • DPL-35S Super Series
2-2
How to Test the AC Contactor
- AC Models
1 Fully lower the platform, turn the key switch off
and disconnect the power supply.
2 Open the ground control box and locate the AC
contactor.
3 Label and then disconnect all wiring from the
contactor.
4 Connect the leads from an ohmmeter to the
following terminal combinations and check the
continuity/resistance.
1
8
Test
terminal 0 to 1
all other terminal combinations
September 2016
6 2
0
4
Desired result
80 to 85 Ω
no continuity
(infinite Ω)
Part No. 40462