MA-660A
6. Fault Code List
6-1
6. Fault Code List
In the event of a problem with the Power Supply, the MA-660A displays the fault code
and message.
In such cases, read this section carefully, then inspect the equipment and take the
necessary countermeasures. If you have any questions, consult us or your distributor.
Error message Cause Measures
E-M1
COMMUNICATION
LINE ERROR
・Cannot be connected to the
welding power supply.
・
Check if the circuit cable for broken
wire and for wrong connection.
・Check if the MA-660A supports the
connected welding power supply.
・Check the connected welding
E-M2
NOT
CONNECTED
Note)
*** indicates the
model number of
welding power supply
connecting to the
・The welding power supply is
performing the welding sequence.
・Process of schedule setting is
being executed.
・Cannot be connected to the
welding power supply.
・
Wait until the welding sequence of
welding power supply is complete.
・Set the next schedule after the
process of schedule setting is
complete.
・Check if the circuit cable for broken
wire and for wrong connection.
・Check the connected product for