Electronics; Replacing Power Module; Replacing G-Trac Sensor; Replacing Cable Harness - Invacare AVIVA FX Series Service Manual

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6.9 Electronics

6.9.1 Replacing Power Module

8 mm socket wrench
Torque wrench
Removing Module
1. Remove rear shroud, refer to 6.6.1 Replacing Rear
Shroud, page 21.
2. Note the location of each cable connected to the
power module A for proper reinstallation.
3. Disconnect the motor cables C, main power cable
D, LiNX bus (to seating) cable E, lighting cable, and
actuator cable from the power module.
Not all cables are shown.
4. Remove the two nuts B securing the power module A
to the rear battery door.
5. Remove the power module from the battery door.
Installing Module
1. Reverse this procedure to install the power module.
Torque nuts to 6 Nm.
2. Connect and secure the power module cables in the
locations noted earlier in this procedure.
3. Refer to the LiNX Service manual for power module
programming information.
4. Test all functions.

6.9.2 Replacing G-Trac Sensor

10 mm wrench
Removing Sensor
1. Switch controls OFF.
2. Remove rear shroud, refer to 6.6.1 Replacing Rear
Shroud, page 21.
3. Take note of positions of all cables and the sockets that
they are connected to. Mark connectors and sockets
or take a photo with digital camera.
4. Loosen and remove self locking nut A.
5. Remove sensor B from battery door C.
6. Disconnect sensor cable from power module.
Installing Sensor
1. Install sensor in reverse order.
2. Connect cable connectors to power module.
3. The sensor must be installed with cable pointing
downwards.
4. Test all functions.

6.9.3 Replacing Cable Harness

According to the configuration of the mobility device different variants of the cable harness are used. The course of
action is the same for all variants.
If you want to retrofit an option, such as light, it may require a new cable harness.
1675507-A
Fig. 6-39
Fig. 6-40
Service
43

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