
Twister / Twister Junior
Service Manual
Issued: 21.01.02
Page 171
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
Remedy
Chapt.
No voltage at
supply cable?
Voltage under
19V?
Output voltage
greater than 4 V,
or less than 2.5
V?
Supply cable defective.
Fuse defective.
Power supply to power
module interrupted.
Battery fully discharged.
Voltage converter defective.
Check / replace supply cable.
Replace fuse.
Check power supply.
Check master fuse.
Pre-charge battery.
Replace battery.
Replace voltage converter.
Chapt. 20
Chapt. 14
Chapt. 14
Chapt. 14
Chapt. 14
Chapt.19.7
Power module and voltage
Plug feed cable
Fuse
Plug to
Recaro seat
Feed cable: check voltage
U