Platform Controls Inoperative, Ground Controls Operate Normally - Genie S-60 Service Manual

Third Edition • First Printing
Platform
Controls
Inoperative,
Ground
Controls
Operate
Normally
Be sure all
cables from chassis
through the cable
track are in good
condition with no
kinks or abrasions.
Part No. 65196
Does engine start from yes
platform controls?
no
0V
Check voltage at TB22.
12V
0V
Check voltage at TP22.
12V
Check voltage at blk
0V
wire on input side of
platform Emergency
Stop button contact.
12V
With key switch turned
0V
to platform controls and
both Emergency Stop
buttons pulled out to the
position, check the
ON
voltage on the output
side of the platform
Emergency Stop button
contact.
12V
0V
Check voltage at TP23.
12V
Repair open in blk wire
circuit from platform
Emergency Stop button
to TP26 to foot switch
OR replace foot switch
OR consult Genie
Industries Service
Department.
Genie S-60 & Genie S-65
Section 5 • Troubleshooting Flow Charts
Start engine from
platform controls, press
0V
down the foot switch and
check voltage at TP24.
12V
Repair open in wht wire
circuit from TP24 to
function toggle switches
and function controllers.
Repair open in red wire
circuit from key switch to
TB22 OR replace the
platform controls contact
at the key switch.
Repair open in blk-2
wire circuit from TB22
to TP22.
Repair open in blk wire
from TP22 to
Emergency Stop button.
yes
Check if Emergency
Stop button internal cam
is activating the contact.
no
Replace the platform
Emergency Stop button.
Repair open in wht wire
with diode from
Emergency Stop button
to TP23.
Chart 13
Test or replace foot
switch (see Repair
Section) OR repair open
in wht wire circuit from
foot switch to TP24.
Replace contact on
Emergency Stop button.
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