Common Paint Booth Problems

Low Airflow:

• Check filters - clogged filters are the #1 cause
• Inspect belts for wear or slippage
• Verify makeup air is operating
• Check for ductwork obstructions

Uneven Airflow:

• Look for blocked filters or grates
• Check for ductwork disconnections
• Verify damper positions

Booth Won't Maintain Pressure:

• Check door seals
• Look for wall or ceiling gaps
• Verify makeup air balance

Won't Reach Temperature:

• Check burner operation
• Verify gas supply pressure
• Inspect ignition system
• Check high limit switches

Temperature Variations:

• Verify sensor location and condition
• Check for airflow imbalance
• Inspect ductwork for leaks

Takes Too Long to Heat:

• Check burner capacity
• Verify BTU output
• Inspect heat exchanger for deposits

Dirt and Contamination:

• Change intake filters
• Clean booth interior
• Check door seals
• Verify positive pressure

Orange Peel:

• Check temperature - may be too hot or cold
• Verify airflow - too much can cause rapid dry
• Review technique and materials

Runs and Sags:

• Temperature may be too low
• Airflow may be insufficient
• Review application technique

Won't Start:

• Check power supply
• Verify safety interlocks are satisfied
• Check emergency stop position
• Inspect control fuses

Timer Issues:

• Verify timer setting
• Check timer relay
• Inspect wiring connections

Erratic Operation:

• Check sensor connections
• Look for loose wiring
• Verify control calibration

Call WERCS for professional service when:

• Basic troubleshooting doesn't resolve the issue
• You're uncomfortable with the repair
• Gas or electrical work is involved
• Safety systems need attention
• You need compliance documentation
• The problem recurs after fixing

WERCS provides 24/7 emergency service for urgent situations. Call 877-489-3727.