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MAINTENANCE
The power shall be cut off completely before all maintenance, repairing works. Make
sure to remove power plug before opening the case.
1. Remove dust regularly with dry compressed air. If the welding machine is used in surroundings with
heavy smoke and polluted air, it is necessary to remove dust at least once per month.
2. To prevent damage to small components in the machine, use low air pressure.
3. Examine inside electrical connections and ensure perfect contact (Especially plugs and sockets).
Fasten the loosing joints. In case of oxidation, remove oxide film with sand paper and connect again.
4. Prevent water from entering into the machine and prevent the machine from getting moist.
5. If the welding machine is not used for a long time, pack and store in dry surroundings.
6. Every time the wire feeder operates for 300 hours, grind the electrical carbon brush and clear up the
armature commutator. Rinse speed reducer, apply 2# Molybdenum Disulfide lubricant to the turbine,
whirlpool rod and bearing.
TROUBLESHOOTING AND FAULT FINDING
Note:
The following operations must be performed by qualified electricians with valid certifications.
Before maintenance, you are suggested to contact local distributor to verify qualification.
MALFUNCTIONS AND SOLUTIONS OF TREO 175
Malfunctions
Solution
• The meter shows
nothing
1. Confirm the power switch is on.
• Fan does not rotate
2. Power supply available for input cable.
• No welding output
3. Check if the fuse is damaged.
4. There is malfunction occurs in the supplementary power source on control
board
(contact dealers).
The meter shows
1. Check if all the sockets in the machine are connected well.
• Fan works normally
• No welding output
3. The control cable on the torch is broken off or the switch is damaged.
4. The control circuit is damaged. (contact to dealers)
The meter shows
1. It might be over-current protection. Turn off the power switch;
• Fan works normally
restart the machine after the abnormal indicator light winked.
• Abnormal indicator
lights
2. It might be overheating protection, please wait for about 2-3 minutes
until the machine re-starts without turning off the power switch.
3. It might be multifunction of inverter circuit. (contact dealers)
Summary of Contents for TREO 175
Page 1: ...User Manual TREO 175 ...
Page 11: ...11 Explanatory drawing for installation of TREO 175 STICK ...
Page 22: ...22 CIRCUIT DIAGRAM ...
Page 30: ...30 Notes ...
Page 31: ...31 Notes ...