Checking Power Supply To Operating Unit - Invacare Electra Service Manual

®
Invacare
Electra
11.3

Checking power supply to operating unit

•
Open operating unit (see chapter 10.2.3 page: 29).
•
Disconnect the wiring harness connector plugs (8) from
the controller in the operating unit.
•
Measure the voltage between the red (+) and black (-)
cables in addition to the orange (+) and violet (-) cables in
the plug.
The voltage must amount to a minimum of 19 V.
Test results:
Voltage < 19 V
No voltage
11.4 Checking power supply to operating unit
•
Remove drive unit panelling (see chapter 9.3 page: 19).
•
Disconnect the battery cable connecting plug at the controller (1).
•
Measure the voltage between the red (+) and black (-) cables on the
battery feed. You must measure all combinations between the red (+) and
black (-) cables.
The voltage must amount to a minimum of 19 V.
Test results:
Voltage < 19 V
No voltage
•
Battery fully
discharged.
•
Connecting cable
defective.
•
Controller defective.
•
Battery fully
discharged.
•
Main fuse defective
•
Cable defective.
Connector plug in operating unit
Þ Check battery.
Þ Replace connecting
cable
Þ Replace controller
Þ Check battery.
Þ Check/replace main
fuse
Þ Check/replace cable.
Page 34
Service Manual
Chapter:
Chapter: 11.1 page: 31
Chapter: 10.2.3 page: 29
Chapter: 0 page: 27
Battery connector plug
at controller
Chapter:
Chapter: 11.1 page: 31
Chapter: 10.1.5 page: 27
Chapter: 10.2.3 page: 29
As at:15.04.02