Test Sequences - Electrics / Electronics; Checking The Battery Voltage; Hints For Testing; Checking Total Voltage Of The Batteries In Non-Operative State And Under Load - Invacare Electra Service Manual

Service Manual

11 Test sequences - electrics / electronics

11.1 Checking the battery voltage

CAUTION:
•
Risk of short circuit.Take care with tools.Do not bridge battery terminals
•
Only use the gel batteries indicated in the spare parts catalogue as replacement batteries.

11.1.1 Hints for Testing:

•
If the total voltage is below 24 V even though the batteries being charged, the battery contacts and the
guide pins and exterior connection sockets are to be checked for corrosion or damage.
•
If the battery voltage falls below 23 V during operation, the power supply to the motors will be
interrupted and the status display on the operating unit will blink.
•
Exact information on the condition of the batteries can be obtained by means of a capacity test.
This can only be performed by the manufacturer.

11.1.2 Checking total voltage of the batteries in non-operative state and under load

Check total voltage U of the batteries at the Scooter charging socket between
poles 1 and 2 by means of a Multimeter (measuring range 50 V / 25 V DC).
Check
•
Voltage below 24V:
•
Voltage below 19V:
•
Voltage is 0 V
•
Voltage (U) falls off rapidly in drive
mode?
Carry out measurement with blocked
drive wheels and with lighting switched
on.

11.1.3 Testing the individual voltage of the batteries

As at: 15.04.02
Invacare
Remedy
Charge batteries.
See chapter 12.1 page:35.
Battery fully discharged.
See chapter 12.1 page:35.
Check fuses.
The main fuse is located in the
battery pack.
(chapter 10.1.5 page: 27)
Charge batteries.
See chapter 12.1 page:35.
Page 31
®
Electra
Checking total voltage
(charging socket)