Hypertherm HSD130 HySpeed Plasma - Manual (Page 184)

MAINTENANCE
5-38 HySpeed HSD130 RHF Instruction Manual
Phase-loss detection test
1. Turn OFF all power to the system and remove the cover from CON1. On non-CE units the contactor is located on
the back of the power supply. On CE units the contactor is located inside the power supply on the left side.
2. Inspect the condition of the 3 contacts for excessive wear. If one or more of the contacts are worn excessively,
replace CON1 and restart the system. If the error remains, perform the following steps.
3. Test the fuses F5, F6, and F7 on the power distribution board (PCB3). If any of the fuses are blown, replace PCB3.
04
1 9
3 5
OK Excessive wear
Non-CE power supply CE power supply
CON1