Analog Board Led Functions - Hypertherm HySpeed HT2000 Instruction Manual

MAINTENANCE
Number
of blinks
1 Indicates that the IHS Complete signal has not been returned within 30 seconds after the
plasma START command has been given.
2 Indicates that an "interlock" error has occurred.
3 Indicates that the HOLD input (for multi-torch systems) was not released within 30 seconds
after the end of preflow.
4 Indicates that there was no transfer within 300ms.
5 Indicates that transferred current arc was lost during ramp up.
6 Indicates that the current was lost from chopper #1 (CH1).
7 Indicates that the current was lost from chopper #2 (CH2).
8 Indicates that transferred current arc was lost during ramp down.
9 Indicates that the software has an error.
10 Indicates that the input voltage has dropped below 15% of the nominal value.
Eg: Input voltage for a 480V power supply drops below 408V.

Analog Board LED Functions

D3: +12VDC
D4: Chopper Current CH2
D6: Chopper Current CH1
8-22
22
Figure 8-5
Rec 2
D3
Rec 3
Explanation
Error Codes
D6 D4
Rec 1
HySpeed HT2000 Instruction Manual