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SECTION 7: SERVICE
Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom
Possible Cause
1. Damaged or loose power cord.
Dust collector
won't start or circuit
breaker trips.
2. ON/OFF switch at fault.
3. Circuit breaker/fuse has tripped.
4. Wiring at fault.
5. Motor brushes at fault.
6. Motor at fault.
LED lights are dim
1. LED light(s) at fault.
or will not illuminate.
2. ON/OFF switch at fault.
3. Wiring at fault.
Operation
Intermittent,
1. Suction tube has been clogged from
clogging, or no
contaminant.
media spray at blast
gun; or striping
is occurring on
2. Incorrect media.
workpiece.
3. Worn or incorrect blast tip.
4. Low air flow or pressure up to cabinet.
5. Blasting system has incorrect air flow or
pressure.
6. Cabinet is overloaded with media.
7. Blast gun is damaged or has bad seals.
8. Foot valve is damaged, clogged, or has
leaks.
Model G0707 (Mfd. Since 12/23)
Troubleshooting
Possible Solution
1. Re-secure and test power cord. Replace as
required.
2. Test and replace switch.
3. Verify that short does not exist and that motor
brushes are not shorted, replace motor brushes if
required, and reset circuit breaker.
4. Repair for open or shorted wiring connections.
5. Replace motor brushes.
6. Test and replace motor as required.
1. Replace LED light(s).
2. Test and replace switch.
3. Repair for open or shorted wiring connections.
1. Cover blast tip and press foot pedal to use air
pressure to purge foot valve and suction system.
Repeat this step periodically during blasting
operations.
2. Verify that media chosen is correct material for
blasting operation, and that media is not worn out
or contaminated with moisture. Screen or replace
media as required.
3. Disconnect machine from air and inspect blast
tip for wear and rotate
⁄
- turn to unworn tip area.
1
4
Replace or install with correct blast tip.
4. Troubleshoot air supply system and verify
compressor, supply lines, moisture separators, and
air dryers have correct air flow and are in good
working order.
5. Adjust air regulator on cabinet to maintain correct
air pressure and flow, and verify no hose kinks or
clogs exist.
6. Remove media but leave just enough for blasting
operation.
7. Disassemble blast gun, clean and reseal.
8. Clean and reseal foot valve.
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