User Manual
Version 1.0k of 11.06.2019
Original manual
PONTIG 202 AC/DC MOST
-22-
Problem
Potential cause
The control panel does not work, no diodes nor display are on
No power supply.
Check the fuses. Check the electricity in the network.
Damaged cables or plugs.
Check the cables and plugs, replace if damaged.
The device is overheated.
Wait for the welding machine to cool automatically.
Incorrect supply current,
error code
E-1
appears on the display.
Check the power supply network, overvoltage occurred (too high sup-
ply current). Switch the device off and on again. If the error persists,
contact technical support.
Incorrect supply current,
error code
E-2
appears on the display.
Check the power supply network, low supply current. Switch off and
again switch on the device. In case the fault persists contact technical
support.
error message
E-4
(display-
error)
If the error persists, contact technical support.
In this case you can continue welding, but the panel display indica-
tions are incorrect.
Welding with the MMA electrode cannot be performed
The device is not in
MMA work mode
Switch to MMA welding (indicator
8
should be on)
Welding arc cannot be ignited in TIG
The device is not in
TIG mode
Switch to TIG welding (indicators
7; 8; 9 or 10
should be on)
Torch control plug is not
connected
Check and connect
Torch control plug
damaged
Check the plug
The mass cable is not connected
properly
Check and connect
Argon does not flow
The bottle is empty or gas hose
is blocked
Check the cylinder
A defective argon reducer
Check the reducer
TIG or orifice defective
Defective gas valve in the device Contact technical support
TIG current does not pulse
TIG pulse is not active
Check whether the indicator
7 or 10
is on
I2 current is set to 100%
Check the setting of indicator
28
I1 current has a minimum value
Check the setting of indicator
21
11. Problems occurring during welding
If a hazardous error occurs for the operator or working environment, immediately turn off the
power supply of the device.
It is necessary to protect the device from unauthorized use until the defect is removed.
The device may only be repaired by authorized personnel!