CUTMASTER A40
Manual 0-4978 5-5 SERVICE
Problem - Symptom Possible Cause Recommended Action
FAULT&80PSI
indicatorsashing.
Gasowiscycling
ONandOFF.
1. Torch shield cup is loose.
2. Torch tip, electrode or starter
cartridge missing.
3. Torch start cartridge is stuck.
4. Open conductor in torch leads.
5.Probleminthetorchandleads
switch circuit.
6.Failedcomponentsinunit.
1. Tighten shield cup by hand. Do not overtighten.
2.TurnOFFpowersupply.Removeshieldcup.Install
missing parts.
3.TurnOFFpowersupply.Bleeddownsystempressure.
Remove shield cup, tip and start cartridge. Check start
cartridgelowerendttingforfreemovement.Replaceiftting
does not move freely.
4. Replace torch and leads or return to authorized service
center for repair or replacement.
5.Replacetorchandleadsorreturntoauthorizedservice
center for repair or replacement.
6. Return to authorized service center for repair or
replacement.
Nothing happens
when torch switch
or remote switch
isclosed(OrCNC
START signal is
active)Nogasow,
DCLEDOFF.
1. Problem in the torch and leads
switchcircuit(Remotependant
switchcircuit).
2. CNC Contoller device not
providing Start signal.
3.Failedcomponentsinunit.
1.TakeTorchandLeads(RemotePendant)toAuthorized
RepairFacility.
2. Contact Controller manufacturer.
3. Return to authorized service center for repair or
replacement.
FAULTand85PSI
indicatorsashing.
1.UpperO-Ringontorchheadisin
wrong position.
2. Torch starter cartridge is stuck.
3. Worn or faulty torch parts.
4. Shorted Torch.
5.TemporaryShortindicatedby5
blinks per second.
6.PowerSupplyFailure(Standard
rateofblinking)
1.Removeshieldcupfromtorch;checkupperO-Ring
position;correctifnecessary.
2.TurnOFFpowersupply.Bleeddownsystempressure.
Remove shield cup, tip and starter cartridge. Check starter
cartridgelowerendttingforfreemovement.Replaceiftting
does not move freely.
3. Inspect torch consumable parts. Replace if necessary.
4. Replace torch and leads or return to an authorized service
center for repair.
5.Releasetorchswitchandreactivate.
6. Return to authorized service center for repair or
replacement.
NoFaultlightsON,no
arc in torch.
1.Failedcomponentsinunit. 1. Return to an authorized service center for repair.
FAULTand85PSI
indicatorsashing
1. Internal Error 1.TurntheON/OFFswitchOFFthenbackONagain.Ifthat
does not clear the fault, return to an authorized service center
for repair.
Pilot arc is ON but
cutting arc will not
establish
1. Work cable not connected to
work piece.
2. Work cable/connector broken.
3.Failedcomponentsinunit.
1. Connect work cable.
2. Replace work cable.
3. Return to an authorized service center for repair.
Torch cutting is
diminished
1. Incorrect current setting.
2. Worn torch consumables.
3. Poor work cable connection to
work piece.
4. Torch being moved too fast.
5.Excessiveoilorwaterintorch.
6.Failedcomponentsinunit.
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.Referto"Checkairquality"inSection3Torch.
6. Return to an authorized service center for repair.