Hypertherm HT2000-200 Volt - Manual (Page 167)

MAINTENANCE
8-22 HySpeed HT2000
Instruction Manual
22
Number
of blinks Explanation
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.
Figure 8-5 Error Codes
Analog Board LED Functions
D4
D3
D6
Rec 3
Rec 1
Rec 2
D3: +12VDC
D4: Chopper Current CH2
D6: Chopper Current CH1