MANATEC LX WB-VL-65 DSP, Service Manual

Page: 59 / 61

Ref.: WB-VL-SM Ver.1 3.doc
56
EQUIPMENT
Sl.
No.
Error Causes Remedies
1

Keypad getting struck or not
working

Some of the keys are not
working

Loose contact in Keypad
connection.

Keypad failure.

Run the Key test (Ref.
Chapt.4.10) and trouble shoot.

Check & ensure the Keypad
connection is established.

Replace the Keypad.
2 No sound

Buzzer may be disabled.

Buzzer connectors are
loose.

Buzzer problem / Bad IC.

Enable Buzzer in Program
settings.

Check the buzzer connector is
inserted properly.

If the problem still exists,
replace the Buzzer
3 No display

Fuses may have got blown.

Fault in the SMPS.

Fault in Mini UPS

Fault in USB power cable

Replace the Fuses.

Replace the SMPS.

Replace DSP Mother board

Replace USB cable
4
Any one of the Vo12V
and -12V is not properly
generated

Fault in DC to DC
convertion.

Faulty SMPS

Replace DSP Mother board

Replace the SMPS.
5 Spark in the Mains cord

Loose connection in the AC
socket

Reconnect the power cord.

Trace out for the proper defect
and solve the problem.
6 System does not turn ON

System Fuse blown.

AC input power to the
system may be low or no
power input.

Problem with SMPS.

Problem with SBC board.

Replace the Fuse.

Check the AC power input in the
system using a Multimeter in

AC Voltage mode. If Voltage is
is correct, check the AC Fuse.

Replace the SMPS.

Replace the SBC board.
7 Electric shock in the system
System Earth may not be
proper Make arrangements for proper
Earthing
8
Brake pedal goes too much
down The inner rod adjuster screw
may be loose
Tighten the screw properly
9

No signal

Not booting

Loose contact in HDMI
cable.

Improper fitment of SDHC
card.

HDMI cable firmly.

Insert & lock the SDHC card
with slot in SBC board properly.

If the problem still exists,
replace the SDHC card with
Balancing program.
9

System booting, but, hangs
at Welcome screen when “
Loading”

Loose contact in
communication cable(( SBC
to DSP Mother board
– flat
ribbon cable)

Faulty cable . ( SBC to DSP
Mother board
– flat ribbon
cable)

Improper fitment of SDHC
card.

Fix cable firmly.

Replace the cable

Insert & lock the SDHC card
with slot in SBC board properly.

If the problem still exists,
replace the SDHC card with
Balancing program.
10
Weight asking repeatedly
(Wheel not getting balanced)

Weight not added in the
indicated position.

Wheel with more runout
being balanced.

Re-treaded or patched tyre
being balanced.

Balancer rotor disturbed.

Improper Earthing for Motor,
equipment.

External noise.

While operating in
Generator

Add the weight at exact position
as indicated.

Replace the Tyre/Rim.

Balancing specifications cannot
be met while using re-treaded
tyres, which is not
recommended by Manufacturer.

Provide proper Earthing.

Provide isolated/dedicated
power supply source and route
it through CVT.

Operate Balancer in Mains