Luna 20144-0203, Manual

Page: 51 / 105

49
Item Problem Solution Notes
Indicating lamp of the
grinder motor not ON.
Work lamp of the welder is not
ON.
Work lamp is not ON.
Main motor can not be powered
on.
Main motor do not stop.
Welder can not work.
Electricity leak.
Fuse blow.
Noise in the relay.
LED speed meter display is not
working.
LED speed meter display flash or
vibrating.
1
2
3
4
5
6
7
8
9
10
11
a. Check the power source.
b. Check if the lamp is blow (GM).
c. Check the connector.
d. Check if the transformer is damaged.
a. Check if the single point switch is damaged.
b. Check if the lamp wind in firmly.
c. Check if the transformer is damaged.
d. Check if the lamp is blown. (L2).
a. Check if the lamp is damaged.
b. Check if the lamp wind in firmly.
c. Check if the transformer is damaged.
d. Check if the lamp is blown.
e. Check the connector.
a. Check if the green push (START) button is damaged.
b. Check if the red push (RED) button is damaged.
c. Check if the relay is damaged.
d. Check the fuse.
e. Check if the power source or motor connection is phase error.
f. Check if the motor is curn.
g. Check all connection node.
a. Check if the green push (START) button is damaged.
b. Check if the red push (RED) button is damaged.
c. Check if the relay is damaged.
a. Check if the transformer is burn or damaged.
b. Check the wiring.
c. Check the circuits.
d. Check if the micro switch is damaged.
a. Check the electric cable or wires.
b. Check if there are any breakage in the electric wire of the trans-
former.
c. Check the connection of ground in the machine.
a. Check if the motor is short.
b. Check if the electric wire is short or broken.
a. Check if there are dusts or other objects in the switch and remove
them.
b. Check if the relay is damaged.
a. Check if the display is damaged.
b. Check the connection and wiring.
c. Check if the sensor is damaged.
a. Check if the gap between the drive wheel and the sensor is too
large.
b. Check if the sensor is damaged.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for thenecessary parts.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
Please wear insulation glove
during the operation.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
Contact the agent or manufactory
for the necessary parts.
(4). Electric part maintenance:
The following maintenance items should be performed by well trained person and warning sign should be placed in front of any maintained machine to pre-
vent causing electric shock to other workers.