MD Series
8. Fault Code
8-1
8.
Fault Code
No.
Name of fault displayed on the screen
Explanation of fault and corrective measures
E01
MEMORY TROUBLE
The schedule and other data saved in the memory are broken down.
Check all set values.
The following are conceivable causes of loss or corruption of data
stored in memory.
・
Strong power noise and electrostatic noise
・
Faults in the supply voltage due to thunderbolts or lightning
conduction
・
Exceed in writing count limit of flash memory
It is convenient to write down set values in case of data corruption or
loss. (Use
12. Schedule Data Table
.)
Initialize the memory by turning the POWER switch ON while
pressing the MENU key. This resets all set values to the factory
values set before shipment. Re-set the values that you recorded on
paper beforehand.
If E01: MEMORY TROUBLE is displayed again, repair is required.
Contact us.
E02
SYSTEM ERROR
A fault has been detected in the MD series. Once turn off power and
turn on again.
If E02: SYSTEM ERROR is displayed again, repair is required.
Contact us.
E03
TRIP OF THERMO
Stop operation, let the equipment to cool off, and press the RESET
button.
The device is overheated or the overcurrent is flowing.
The trouble state of the slave device can be checked by the
indication on the slave device. If nothing is displayed on the slave
device, a fault is occurring on the master device.
When the OVER HEAT lamp comes on, the device is overheated.
When the OVER CURR lamp comes on, the overcurrent is flowing.
E04
NO CURRENT
The welding current is not flowing.
Or the welding current measured value is less than 1.3% of the set
current range.
Check the electrode contact and wiring of the welding head.
If the upslope time is long when the set current value is small, the
indication may appear.
No current is not detected between the start of welding and the time
set for NO CURR MONITOR START.
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