Hypertherm HPR260 Manual Gas Preventive Maintenance Program Rev.5 - Manual (Page 155)

MAINTENANCE
HPR260 Auto Gas Instruction Manual 5-11
Error code troubleshooting – 1 of 10
Error code
number
Name Description Corrective action
000 No error System is ready to run. None needed.
018
Pump over
pressure
Pump output has
exceeded 13.79 bar
(200 psi).
1. Verify that coolant filters are in good condition.
2. Verify that there are no restrictions in the coolant system.
020 No pilot arc
No current detected from
chopper at ignition and
before 1-second timeout.
1. Verify that the consumable parts are in good condition.
2. Verify proper preflow and cut-flow settings.
3. Perform gas leak tests (see Maintenance section).
4. Verify spark across spark gap.
5. Inspect CON1 and pilot arc relay for excessive wear.
6. Perform gas flow test (see Maintenance section).
7. Perform torch lead test (see Maintenance section).
8. Perform start circuit test (see Maintenance section).
9. Perform chopper test (see Maintenance section).
021
No arc
transfer
No current detected on
work lead 500
milli-seconds after pilot arc
current was established. 1. Verify proper pierce height.
2. Verify proper preflow and cut-flow settings.
3. Inspect work lead for damage or loose connections.
4. Perform current test (see Maintenance section).
024 Lost current
Lost the current signal
from the chopper after
transfer.
1. Verify that the consumable parts are in good condition.
2. Verify proper cut-flow gas settings.
3. Verify pierce delay time.
4. Verify arc did not lose contact with plate while cutting (hole
cutting, scrap cutting, etc).
5. Perform chopper test (see Maintenance section).
026 Lost transfer
Lost the transfer signal
after transfer completed.
1. Verify that the consumable parts are in good condition.
2. Verify proper cut-flow gas settings.
3. Verify pierce delay time.
4. Verify arc did not loose contact with plate while cutting (hole
cutting, scrap cutting, etc).
5. Inspect work lead for damage or loose connections.
6. Try connecting work lead directly to the plate.
7. Perform chopper test (see Maintenance section).
027 Lost phase
Phase imbalance to
chopper after contactor
engaged or while cutting.
1. Verify phase-to-phase voltage to power supply.
2. Disconnect power to power supply, remove cover on
contactor and inspect contacts for excessive wear.
3. Inspect power cord, contactor, and input to chopper for
loose connections.
4. Inspect phase loss fuses on Power Distribution board.
Replace board if fuses are blown.
5. Perform phase loss test (see Maintenance section).
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