Troubleshooting 45
Changing fuse in vehicle plug
1. Use a screwdriver to open the vehicle plug.
Note:
The central contact of the plug is the plus pole.
The plus lead of the cable has either a square
cross-
section or colored markings.
The outer contact of the plug is the minus pole.
The minus lead of the cable is round and black.
Caution: Check the vehicle plug for correct
polarity. Reversed polarity can damage
ACCUVAC Basic.
2. Change the faulty fuse. Use only approved fuses
(see “11. Technical Data” on page 51).
3. Screw the vehicle plug together again.
4. Perform a functional check (see “7.2 Performing
the leak check” on page 38).
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