Check The Voltage Converter For The Recaro Seat; Preparations For Testing; Checking Voltage At Recaro Seat Voltage Converter - Invacare Twister Service Manual

Twister / Twister Junior

18.6 Check the voltage converter for the Recaro seat

18.6.1 Preparations for testing

•
Remove battery boxes.
•
Remove splash protection. See chapter 12.2.
•
Reinsert battery boxes.
18.6.2 Checking voltage at Recaro seat
voltage converter
•
Separate plug connection of battery cable to
voltage converter.
•
Measure voltage present at the supply cable
contacts (see sketch
It must amount to at least 19 V.
•
Reconnect plugs.
•
Separate the plug connection to the Recaro
seat.
•
Measure the output voltage.
Independently of the battery charging status ,
it must amount to between 2.5 and 4 V.
Note:
•
Only under load (seat connection existent and activated) does the voltage converter deliver
a voltage output of 12 V.
In not loaded condition, only a level of 2.5 to 4 volts is to be measured.
Caution:
•
Do not bridge contacts. Danger of short-circuit!
Fault Cause
No voltage at Supply cable defective.
supply cable? Fuse defective.
Power supply to power
module interrupted.
Voltage under
19V? Battery fully discharged.
Output voltage
greater than 4 V, Voltage converter defective.
or less than 2.5
V?
Issued: 21.01.02
Service Manual
Power module and voltage
Fuse
Feed cable: check voltage
U
Remedy
Check / replace supply cable.
Replace fuse.
Check power supply.
Check master fuse.
Pre-charge battery.
Replace battery.
Replace voltage converter.
Page 171
Plug to
Recaro seat
Plug feed cable
Chapt.
Chapt. 20
Chapt. 14
Chapt. 14
Chapt. 14
Chapt. 14
Chapt.19.7