ESAB CUTMASTER 50+ Operating Manual page 64

CUTMASTER 50+, CUTMASTER 70+
Problem - Possible Cause
Symptom
Input voltage 1. Primary input voltage problem. The
communication input voltage is under AC340V, or above
screen AC460V (CE & RCM); under AC408V or
above AC552V (ETL).
2. Missing phase
3. Failed components in unit.
Nothing happens 1. Problem in the torch and leads switch
when torch switch circuit (Remote pendant switch circuit).
or remote switch 2. CNC Controller device not providing
is closed (or CNC Start signal.
START signal is 3. Failed components in unit.
active). No gas flow
No Fault screen, no 1. Failed components in unit.
arc in torch
Pilot arc in ON but 1. Work cable not connected to work
cutting arc will not piece.
establish 2. Work cable/connector broken.
3. Failed components in unit.
Torch cutting is 1. Incorrect current setting.
diminished 2. Worn torch consumables.
3. Poor work cable connection to work
piece.
4. Torch being moved too fast.
5. Excessive oil or water in torch.
6. Failed components in unit.
64
Recommended Action
1. Have qualified person check primary voltage to insure it meets unit
requirements see Section "2.05 or 2.08 Input Wiring Specifications".
2. Missing phase. Measure all 3 phases, L1 to L2, L2 to L3 and L3 to
L1. Best to take these measurements at the input bridge AC terminals
which are marked ~ ,this way it also checks that the voltage is getting
through the rear panel circuit breaker.
3. Return to authorized service center for repair or replacement.
1. Take Torch and Leads (Remote Pendant) to Authorized Repair Facility.
2. Contact Controller manufacturer.
3. Return to authorized service center for repair or replacement.
1. Return to an authorized service center for repair.
1. Connect work cable.
2. Replace work cable.
3. Return to an authorized service center for repair.
1. Check and adjust to proper setting.
2. Check torch consumables and replace as needed.
3. Check the connection of the Work Lead to the work piece.
4. Reduce cutting speed.
5. Refer to "Check air quality" in Section 3 Torch.
6. Return to an authorized service center for repair.
SERVICE 0700 402 229