ADJUSTMENT
AND
INSPECTION
MAGNA 85 – 100 BS
Doc.
Issued 12/2006
Rev. 00
Pag.
7 di 18
7 TH
PROTECTION
The chopper card works out of the temperature range
(-30°C + 70°C)
Possible causes
-
-
chopper card faulty
the machine runs in braking condition and the chopper gets
overheated
Actions
-
check the temperature of the site where the machine works
-
check the consumption of the traction motor
8
DRIVER SHORTED
COIL SHORTED
The driver that controls the driver power switch do not
operate properly
Possible causes
-
the driver is defected
Actions
-
replace the chopper card
32
permanent
blink
BATTERY LOW
Battery level too low: the chopper card cuts the power to the
traction motor for its safeguard
Actions
check the charge of the batteries
check the cleanliness and the good connections on the
chopper card of the cable that come from the battery
permanent
switched on
FORW BACK
The alarm is indicated when both the forward and backward
requests are activated simultaneously
Possible causes
-
-
wiring not correct
microswitch forward or backward stuck
Actions
-
-
-
check the correct functionality of the contacts of the
manipulator
verify the wiring relative to the manipulator
if the defect persists replace the chopper card
