INSTRUCTION, USE AND
MAINTENANCE MANUAL
GB
Page 33 of 43
14.0 TROUBLESHOOTING TABLE
Possible troubles which might occur to the tyre-changer are listed below. The manufacturer disclaims all
responsibility for damages to people, animals or objects due to improper operation by non-unauthorised
personnel. In case of trouble, call Technical Service Department for instructions on how to service and/or
adjust the machine in full safety to avoid any risk of damage to people, animals or objects.
In an emergency and before maintenance on tyre-changer, set the main switch to “0” and lock it in this position.
CONTACT AUTHORIZED TECHNICAL SERVICE
do not try and service alone
Problem
Possible cause
Remedy
The bead breaking arms do not
hold their position once they are
adjusted on a diameter.
1. Compressed air supply pressure
below 6 Bar.
2. The positioning cylinder is badly
adjusted.
1. Check supply pres-
sure.
2. Call for technical as-
sistance.
The arm advance cam (in auto-
matic position) is immediately
activated.
1. The feeler pin is unscrewed.
2. The connectors are extracted.
3. The feeler pin position is badly
adjusted.
1. Screw the feeler pin well.
2. Check the connectors in the rear
part of the arm
3. Set the feeler pin position
The nozzle doesn’t supply air when
the inflation pedal is pressed (only
for versions with tubeless infla-
tion).
The inflation pedal is badly ad-
justed.
Call for technical as-
sistance.
The mandrel doesn’t rotate.
Inverter overload alarm
Or
Inverter undervoltage alarm
Or
Inverter overvoltage alarm
Shorten the length of a possible
machine extension cable or in-
crease the conductors section
(disconnect and connect again).
Lift the motor pedal and wait for
the automatic reset.
Overtemperature alarm.
Wait until the motor system cools
(the machine does not restart if
the temperature level does not go
below the set safety threshold).
The mandrel does not reach the
maximum rotation speed.
The mechanical resistance of the
gearmotor system has increased.
Turn the mandrel with-
out wheel for a few min-
utes so that the system
heats, thus reducing
frictions.
If in the end the man-
drel does not accelerate
again, call for technical
assistance.
The mandrel does not rotate in
counter-clockwise direction.
Pedalboard microswitch breakage. Replace microswitch.
The mandrel doesn’t rotate, but
it attempts rotation when the ma-
chine is switched on again.
Pedalboard irreversible de-cali-
bration.
Call for technical as-
sistance.
7104-M009-2_B
AIKIDO.4 - AIKIDO.4FI