Lincoln Electric IM10020 TOMAHAWK 625 - Manual (Page 24)

E-2 TROUBLESHOOTING E-2
TOMAHAWK™ 625
ERROR SIGNALS
Alarm
(abnormal condition)
Undervoltage Overvoltage signal Underpressure PIP (Parts In Place) Thermal Shutdown OCV Overvoltage shutdown
RED LED OFF
Blink Blink
ON
OFF
Blink
OFF
YELLOW
LED Blink OFF OFF
ON ON
Blink Blink
Blinking fre- quency (Hz)
1 4 1
steady on steady on
1 3
Reset mode
Autoreset with hysteresis. Autoreset with hysteresis. Autoreset. Autoreset after 5sec. Autoreset after cooling time. Autoreset after trigger release. Autoreset after 2min of cooling time.
NOTE
Error and shutdown when the input voltage is less than 187Vac. Error when the input voltage is greater than 270Vac. Error and shutdown when the input air pressure is low. Error and shutdown when the retaining cap is not attached properly. Normal thermal response due to overheating. Safe Mode - if trigger is pulled while turning the machine on, or attaching consumables with the trigger pulled. This shutdown occurs if the machine cuts for more than 20sec in overvoltage condition (Vin>270Vac).
Signal
(normal operation)
Power on Inverter on
GREEN
LED
ON ON
RED LED OFF ON
Blinking fre- quency (Hz)
steady on steady on
Reset mode
Always on when the machine is energized. When the torch trigger is released.
NOTE
Normal operating condition when trigger is off. Normal operating condition when trigger is pulled.