54
Description
Possible
Cause
Remedy
Remarks
13 E94 error code displayed
Temperature sensor TH1
for IGBTs or sensor TH2
for secondary diodes are
open circuit.
The
Welding
Power
Source’s
temperature sensors
have malfunctioned.
Have an accredited
Thermal Arc Service
Agent check or
replace the
temperature
sensors.
Weld current ceases.
Buzzer sounds
constantly.
Switch machine OFF.
14 E99 error code displayed
Mains supply (input)
voltage has been turned
OFF but control circuit has
power from the primary
capacitors.
A
B
Main ON/OFF switch
on machine has
been turned OFF.
Mains supply (input)
voltage has been
turned OFF.
A
B
Turn ON/OFF Switch
ON.
Have an accredited
Thermal Arc Service
Agent or a qualified
electrician check the
Mains voltage and
fuses.
Weld current ceases.
Buzzer sounds
constantly.
Must switch machine
OFF then ON to reset
E99 error.