Amada S-2200CA, Operation Manual

Page: 122 / 210

CHAPTER 5: MAINTENANCE
IS-2200CA/4500CA INVERTER POWER SUPPLY
5-4 990-412
FAULT
CODE
CONTENTS CAUSE MEASURES
E-25
RAM MEMORY
ERROR Count data or schedule number data stored
in memory is corrupt.
Memory was erased because the period for
retaining memory of the count data elapsed
over the specified period.
Count data memory is retained up to 10 days
after the power supply is turned off.
E-26
LACK OF WELD
COUNT The counted number of welds is less than
the
WELD COUNT setting.
Add more welds to equal the WELD COUNT
setting.
E-27 END OF STEP
The STEPPER COUNT has completed its
final step.
Dress or replace the tip, then reset the step.
E-28 COUNT UP
The total weld count is equal to the preset
count value.
Reset the counter.
E-29
PHASE MISSING A welding power supply error is present.
Confirm that the welding power supply is
connected correctly.
E-30
POWER
FAILURE
The power was out during welding.
Check for the cause of the instantaneous power
failure.
E-31
OUT LIMIT OF
TIME ERROR Weld time is out of the TIME setting range
on the MONITOR SET screen.
Check the welding stop input of the external
interface.
E-32
COMM SETTING
ERROR
The bi-directional data write (in external
communications), is either out of the range
or data format is wrong.
Check the write data.
E-33
SUCCESSIVE
BACK STEP
ERROR
The first SCHEDULE is selected.
SCHEDULE cannot be returned any more.
Check the back step input.
Check that SCHEDULE is returned to the first
one.
E-34
TIP DRESS
REQUIRED
Counting has arrived at the tip dress setting
value. This occurs when the tip dress is set
for stepper.
Dress the tip, then reset it.
E-35
APPROACHING
CAP CHANGE Capacitor change count is approaching the
change setting value. The time for capacitor change is approaching.
Check and reset it.
E-36
CAP CHANGE
REQUIRED STEPPER COUNT has completed final
step.
Dress or replace the tip, then reset step.
E-37
OUT LIMIT OF
DISPLACEMENT
ERROR The displacement is out of the
DISPLACEMENT LIMIT setting range on
the DISPLACEMENT screen.
Check work pieces, welder and welding power
supply voltage.
Check range set at DISPLACEMENT LIMIT.