Fronius FDV 15 MF, Operating Instructions Manual

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27
Troubleshooting
In the event of faults, note that the functioning of the entire system depends on many
additional components (power source, wire-feed unit, etc.) that are also potential sources
of problems.
General
- Connections established between separate system components
- System components are supplied with electricity and the mains voltage for each
component complies with the rating plate
Basic require-
ments for the
system to work
"Control unit ON" signal lamp flashes
Cause: Battery warning - the battery pack is nearly flat.
Remedy: Charge up the battery pack with charger FDV MF.
Drive wheels slip during travel
Cause: Wheels dirty (with oil)
Remedy: Clean the wheels
Cause: Vehicle overloaded (e.g. the torch cables pull the vehicle up from the floor)
Remedy: Relieve cable strain (suspend)
Cause: Insufficient magnetic force: Sheet too thin - must be at least 4 mm thick)
Insufficient magnetic force: Too big a gap (s < 6 mm) - vehicle raised from
the ground by an obstacle or unevenness
Remedy: Change the welding conditions
Cause: Magnet not effective (overheated - working temperature > 150°C)
Remedy: Change magnet.
Play at the torch
Cause: Play at the handles.
Remedy: Tighten handles.
Cause: Play at the guide rails.
Remedy: Tighten the pressure screws.
"Control unit ON" signal lamp does not light up
Cause: The "Control unit ON/OFF" toggle switch is in the "OFF" position.
Remedy: Turn the "Control unit ON/OFF" toggle switch to the "ON" position.
Cause: Battery pack discharged.
Remedy: Charge up the battery pack with charger FDV MF.
Cause: Electronic module - no power.
Remedy: Check the connections between the driving vehicle battery docking station
and the electronic module.
Cause: Electronic module damaged.
Remedy: Change the electronic module.
Driving vehicle