FUSE FAILURE
4 Fuse failure should be suspected when one or more of the following typical symptoms are observed:
SYMPTOM | FUSE |
Contactor is disconnected at normal operating voltage. | FS1. |
LVD PCA LED is extinguished at normal operating voltage. | FS2. |
FUSE REMOVAL AND REPLACEMENT
5Where possible, attempt to ascertain the reason for the fuse failure and correct the fault before replacing. The most likely cause is a short circuit on the relevant line.
FS1 removal and replacement
Caution
This procedure requires the system to be powered down.
6To remove and replace FS1, proceed as follows:
6.1Switch off and isolate the external power system and check that the contactor is de- energised.
6.2Disconnect the output cable at the battery end and wrap with two layers of insulating tape.
6.3Open the door, remove five screws and washers on the plastic plate and lift off the plate.
6.4Remove two nuts and washers from the fuse and lift off the fuse.
6.5Fit a replacement fuse and secure using two nuts and washers.
6.6Refit the plastic plate using five screws and washers and close the door.
6.7Remove the insulating tape from the output cable and connect to the battery negative terminal.
6.8Power up the system as detailed in Section 5 Para 8.
FS2 removal and replacement
Caution
This procedure may be carried out without power down of the system, providing that suitable care is taken.
7To remove and replace FS2, proceed as follows:
7.1Pull out the fuseholder from the bracket and remove the fuse from the fuseholder.
7.2Fit a replacement fuse into the fuseholder and push the fuseholder into the bracket.
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