15Ap2 Component Positions; 20Ap1 Control Board - ESAB Caddy Tig 1500i TA34 Service Manual

DESCRIPTION OF OPERATION

15AP2 Component positions

20AP1 Control board

The processor on the control board monitors and controls the various functions of the power
source. The control board is used in combi mode. In combi mode the board handles the
control of the power source, the welding data unit and the MMC panel.
If the circuit board is faulty, it must be replaced. After replacing the circuit board, soft-start the
power source. See the instructions in chapter "Service Instructions".
There are two hardware versions of the control board, see section "Component Positions" of
this chapter.
NOTE!
The spare part boards have different ordering numbers for the Tig 1500i TA34,
Tig 2200i TA33 and Tig 2200i TA34, see the spare parts list.
Circuit board identity
Power source unit
The control board has a machine ID, a hardware ID and a unit type number. To read this you
need the ESAT service kit, see chapter "Service Instructions".
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