Tweco 200 ACDC Arcmaster(Feb2006) - Manual (Page 57)

51
Description Possible Cause Remedy Remarks
10 E83 error code displayed
CPU checks mains supply
(input) voltage when the
ON/OFF switch on rear
panel of machine is turned
ON.
The Primary supply
(input) voltage
fluctuates and is
not stable.
Have an accredited
Thermal Arc Service
Agent check connector
plug on input PCB and
the Mains voltage.
No weld current is
available. Buzzer
sounds constantly.
Switch machine
OFF then ON to
reset E83 error.
11 E85 error code displayed
Pre-charge abnormality.
Due to malfunction
inside the Welding
Power Source,
primary capacitors
are not charging
correctly.
Have an accredited
Thermal Arc Service
Agent service the
machine.
No weld current is
available. Buzzer
sounds constantly.
Switch machine
OFF then ON to
reset E85 error.
12 E93 error code displayed
Memory chip (EEPROM)
on control PCB cannot
read/write weld
parameters.
Memory chip
(EEPROM) error.
Have an accredited
Thermal Arc Service
Agent check the
control PCB.
Weld current
ceases. Buzzer
sounds constantly.
Switch machine
OFF.
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.