Hypertherm HPR800XD Auto Gas Rev.2 - Manual (Page 258)

Maintenance
5-44 HPR800XD Auto Gas – 806500
Pump motor drive board Pcb7
D1
D30 D32
D10
D31
TP3
TP10
TP4
TP2
TP1
TP6
TP12 TP5
D35
D36
14102
7
control Pcb test points
Test point
number Description
Test point
number Description
Test point
number Description
TP1 Analog ground TP5 + 5 V TP9 Digital ground
TP2 Digital ground TP6 A + 3.3 V TP10 + 3.3 V
TP3 Reset\ TP7 + 3.3 V TP11 SCIRXD
TP4 Reset TP8 SCITXD TP12 LINEFB +
control Pcb lED list
LED Description Status
D1 + 15 V OK On when +15 voltage is OK
D10 + 5 V OK On when +5 voltage is OK
D16 + 3.3 V OK On when +3.3 voltage is OK
D30 IPM temperature alarm output Off when OK. On when there is a sustained over-current condition.
D31 Temperature Off when OK. On when there is a temperature fault.
D32 IPM alarm output
Off when OK. On when there is an internal overtemp, over-current, or bad gate
supply-drive voltage.
D35 Pump motor drive OK On when pump-motor-drive is OK
D36 Pump motor drive enable On when enabled
Note: The inductor on the pump motor-drive board makes a noise during operation that has been
described as a “hum”, “sing”, and “click”. This is normal and can be disregarded.