Operation Disturbances; Operation Of The Overload Protection; Control Fuses; Under- And Overvoltages In The Mains Supply - Kemppi fastmig kms 400 mvu Operating Instructions Manual

6. OPERATION dISTuRbANCES

In case of problems contact the Kemppi works in Lahti, Finland, or your local Kemppi dealer.
Check the maintenance objects before the machine is sent to the Service Workshop.

6.1. OPERATION OF ThE OVERLOAd PROTECTION

Yellow pilot lamp H12 of thermal protection is lit when thermostat has operated due to overheating
of machine.
The thermostat of machine will operate, if machine is continuously loaded over rated values or
cooling air circulation is blocked.
Cooling fan cools down the machine and when the pilot lamp is not lit the machine is automatically
ready for welding.

6.2. CONTROL FuSES

Fuse F11, 6,3 A delayed, on the rear wall of machine is as protection for connection of auxiliary
devices X14-15.
Use same type and rating of fuse which is marked beside the fuse adapter. Damage
caused by a wrong type fuse is not covered by the guarantee.

6.3. uNdER- ANd OVERVOLTAGES IN ThE mAINS SuPPLy

Primary circuits of machine are protected against sudden, transient overvoltages.
Machine is designed to withstand 3 x 440 V or 3 x 230 voltage continuously (see technical data).
See to it that voltage is kept within admissible limits especially when mains supply is taken e.g.
from combustion engine generator.
If the mains has undervoltage or overvoltage machine control stops to operate automatically.

6.4. LOSS OF A PhASE IN ThE mAINS SuPPLy

Loss of a phase causes noticeable poorer welding properties than normally or the machine doesn't
get started at all. Loss of a phase can be due to following:
– blowing of mains supply fuse
– defective mains cable
– bad connection of mains connection cable on terminal block or plug of machine

7. dISPOSAL OF ThE mAChINE

Do not dispose of electrical equipment together with normal waste!
In observance of European Directive 2002/96/EC on Waste Electrical and Electronic
Equipment and its implementation in accordance with national law, electrical equipment
that has reached the end of its life must be collected separately and returned to an
environmentally compatible recycling facility. As the owner of the equipment, you should
get information on approved collection systems from our local representative.
By applying this European Directive you will improve the environment and human
health!
© Kemppi oy Fastmig™ Kms 400 mVU / 0647 –