OPERATING INSTRUCTIONS
Page 36 Mega-Trailer
17. List of malfunctions – Electric
Malfunction
Cause
Remedy
No function working
no 12 V voltage at control
Ensure 12 V voltage at tractor
box.
fuse defective
Replace fuse
loose connection in socket
repair loose connection
ON – OFF switch not
Set switch to ON
switched to ON
Fuse often defective
fuse too weak
install 10 A fuse
Fuse constantly defective
cable damaged
replace cable
switch defective
replace switch
terminal strip defective
replace terminal strip
forward drive cannot be
no 12 V voltage at tractor
Ensure 12 V voltage
regulated
or trailer
Cable cross-section of supply
select larger cable cross-section
line too small
forward drive not running
forward drive magnet
replace magnet
defective
2 or more functions
Cable damaged, 2 magnets
replace cable
operating at same time
activated at same time
terminal strip defective
replace term. Strip
function not operating
magnet defective
replace magnet
although 12 V voltage
available at magnet
green signal lamp
lamp bulb defect
replace lamp bulb
not lighting up
lamp bulb not making proper
press lamp bulb into holder
contact in holder
properly
