Genie TMZ-50/30 Service Manual page 92

Section 4 • Repair Procedures
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GROUND CONTROLS
How to
Install a Circuit Board
1 Disconnect the battery pack from the machine.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
2 Disconnect all external AC power supply from
the machine.
3 Remove the fasteners securing the cover to the
top of the battery charger. Remove the cover.
4 Locate the circuit board. Tag and disconnect all
circuit board wiring.
5 Remove the circuit board.
6 Install the new circuit board into the battery
charger. Securely install all circuit board wiring.
7 Set the DIP switch. Determine the type of
batteries being used on the machine. Then,
using the following chart, set the toggles of the
DIP switch accordingly.
Component damage hazard.
Incorrectly setting the DIP switch
may result in decreased battery
life. Use caution when
programming the circuit board.
'Gel' setting will increase battery
life while decreasing the amount of
cycles for the machine.
'Normal' setting will decrease the
battery life, while increasing the
amount of cycles for the machine.
4 - 38
Battery Charger
Circuit Board
DIP switch location
8 Install the cover onto the battery charger. Install
and securely tighten the fasteners. Do not over
tighten.
DIP settings
Toggle 1
Toggle 2
If not operating correctly, check
the following:
· Good power supply at the AC power source
· Use only #12 AWG heavy-duty extension cord
· Power cable firmly connected to the AC input
plug or fitted into the AC input connector
· Faulty fuse (120V models) or
faulty circuit breakers (230V models)
· Correct wiring at the batteries:
· Red charger wire to battery positive
· Black charger wire to battery negative
Component damage hazard. This
charger is designed to sense
battery condition and automatically
switch off when the batteries are
fully charged. To avoid
overcharging and possible battery
damage should the charger fail to
turn off, disconnect the AC supply
from the charger if the machine
will be unattended for more than
24 hours.
TMZ-50/30
June 2005
REV B
DIP Switch
1
2
Normal Liquid Gel
OFF OFF ON
ON
OFF OFF
Part No. 65162