Service manual

5 - 12 Genie GS-1530 & Genie GS-1930 Part No. 39528
Service Manual - First EditionSection 5 - Troubleshooting Flow Charts
Chart 2
Pump Motor
Will Not Operate
Be sure the circuit
breaker and fuse are
not tripped or blown.
Be sure the batteries
are properly connected.
Be sure the batteries
are fully charged.
Activate lift function from
the ground controls and
check voltage at positive
terminal on pump motor.
24V or
more
Check continuity on
ground cable from pump
motor to M- terminal on
controller.
no
continuity
continuity
Replace ground cable
on lift pump motor.
less than 24V
Continued on the next
page.
Activate lift function and
check voltage at
terminal 1 on controller.
24V
Replace negative cable
from B- terminal on
controller to the
Anderson plug.
Check continuity from B-
terminal on controller to
the negative battery
cable at the Anderson
plug (AP1).
continuity
no
continuity
Before serial number
6900:
Repair open in
wht wire (A8-motor)
from K 1 contact to
controller.
After serial number
6901:
Repair open in
wht wire (A8-motor)
from ECU.
Activate lift function and
check voltage at
terminal 3 on controller.
Before serial number
8931:
Repair open in
wht wire (A9-mtr cont
terminal 3) from ECU to
controller OR replace
ECU OR consult Genie
Industries Service
Department.
After serial number
8932:
Repair open in
wht wire (A9-mtr cont
terminal 3) OR
relpace1k ohm
potentiometer on
controller.
0V
5V
Replace pump motor
OR consult Genie
Industries Service
Department.
Check voltage on B+
terminal on motor
controller.
less than
24V
Replace positive battery
cable from pump to B+
terminal on motor
controller.
24V
Activate lift function and
check voltage at M-
terminal on controller.
24V
0V
Replace controller or
contact Genie Industries
Service Department.
less than
24V