Thermal Dynamics 152 CUTMASTER - Page 59

CUTMASTER 152
Manual 0-4987 5-5 SERVICE
Problem - Symptom Possible Cause Recommended Action
FAULT&80PSI
indicatorsashing.
Gasowiscycling
ONandOFF.
1. Torch shield cup is loose.
2. Torch tip, electrode or starter
cartridge missing.
3. Torch starter cartridge is stuck.
4. Open conductor in torch leads.
5. Problem in the torch and leads
switch circuit.
6.Failedcomponentsinunit.
1. Tighten shield cup by hand. Do not overtighten.
2.TurnOFFpowersupply.Removeshieldcup.Installmissing
parts.
3.TurnOFFpowersupply.Bleeddownsystempressure.
Remove shield cup, tip and starter cartridge. Check starter
cartridgelowerendttingforfreemovement.Replaceiftting
does not move freely.
4. Replace torch and leads or return to authorized service center
for repair or replacement.
5. Replace torch and leads or return to authorized service center
for repair or replacement.
6. Return to authorized service center for repair or replacement.
Nothing happens
when torch switch
or remote switch
isclosed(OrCNC
START signal is
active)Nogasow,
DCLEDOFF.
1. Problem in the torch and leads
switchcircuit(Remotependant
switchcircuit).
2. CNC Contoller device not
providing Start signal.
3.Failedcomponentsinunit.
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.
FAULTand85PSI
indicatorsashing.
1.UpperO-Ringontorchheadisin
wrong position.
2. Torch starter cartridge is stuck.
3. Worn or faulty torch parts.
4. Shorted Torch.
5. Temporary Short indicated by 5
blinks per second.
6.PowerSupplyFailure(Standard
rateofblinking)
1.Removeshieldcupfromtorch;checkupperO-Ringposition;
correct if necessary.
2.TurnOFFpowersupply.Bleeddownsystempressure.
Remove shield cup, tip and starter cartridge. Check starter
cartridgelowerendttingforfreemovement.Replaceiftting
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. Release torch switch and reactivate.
6. Return to authorized service center for repair or replacement.
NoFaultlightsON,
no arc in torch.
1.Failedcomponentsinunit. 1. Return to an authorized service center for repair.
Faultand90PSI
indicatorsashing
1. Internal Error 1.TurntheON/OFFswitchOFFthenbackONagain.Ifthat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.Failedcomponentsinunit.
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. Excessive oil or water in torch.
6.Failedcomponentsinunit.
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.