A F C Quality Paint Spray Booths Since 1967
the valves properly.
  • Faulty air cylinders or solenoid valves. Repair or replace faulty cylinders or valves

  • The spray booth is too negative or too positive.
    • Incorrect sheave(s) on motors. Replace with proper sheave(s).

  • There is no air pressure at the compressed air line in the booth.
    • One or more booth doors are open. Close all doors.
    • Faulty door limit switch. Repair or replace faulty switch
    • Debris in solenoid valve. Remove debris.
    • Solenoid valve not installed correctly (air flow direction incorrect). Install valve correctly. If compressed air has already been applied to solenoid, diaphragm is probably damaged and needs to be repaired.

  • There is not enough heat in PAINT mode.
    • Thermostats is not set correctly. Reset thermostats to proper setting
    • Thermostats out of calibration. Re-calibrate or replace.
    • Thermostat probes in wrong location. Install probes in correct location.
    • Gas manifold pressure set incorrectly. Set gas manifold pressure to specifications on the Power Flame label.

  • There is not enough heat in CURE mode.
    • Cure damper not opening. See #4 above
    • Also see #7 above.

  • There is no heat and the "POWER ON" light on the Power Flame control box is "OFF".
    • Burner switch on the AFC control panel in the OFF position. Turn on switch.
    • Control (ON/OFF) switch on Power Flame control box is in the OFF position. Turn on switch.
    • Johnson control high limit switch tripped (located by make-up fan motor). Push reset button on high limit switch located on the top of the switch.

  • There is no heat and the "POWER ON" light on the Power Flame control box is "ON" and "Main Fuel" light is "OFF".
    • No or not enough make-up air (JD-2 air flow switch located by make-up fan motor is not closing. See #3 above.
    • JD-2 Air Flow Switch wired incorrectly. Should be wired to "C" and "N.O."
    • JD-2 Air Sensing Tubes are not adjusted correctly. Adjust tubes to correct positions, approximately 3" away from the nearest wall and facing the incoming air. Refer to owner's manual for more information.

  • There is no heat and the "POWER ON" light on the Power Flame control box is "ON" and "Main Fuel" light is "ON".
    • Thermostats not set properly. Set thermostats to proper setting.
    • Thermostats out of calibration. Re-calibrate or replace.
    • Main gas cock closed (silver body, black handle) or test gas cock (brass body, yellow handle, located behind main gas valve). Open gas cocks.

  • The alarm is sounding.
    • Pilot did not light. Reset Honeywell Flame Safeguard Control located inside Power Flame control box

  • The alarm sounds on a regular basis.
    • Dirty pilot. Refer to owner's manual for burner cleaning instructions.
    • Not enough gas pressure. Refer to owner's manual for setting correct gas pressure.
    • Incorrect electrode gap. Refer to owner's manual for proper setting.
    • Incorrect combustion air-to-gas ratio. Adjust combustion air dampers for proper air-to-gas ratio

  • There is an excessive temperature fluctuation.
    • Thermostat probes not located in proper location. Install probes in proper location. Refer to owner's manual for proper location.
    • Thermostats out of calibration. Re-calibrate or replace.
    • Burner out of adjustment. Adjust burner for proper firing rate

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