Product Manual

BURNER TROUBLESHOOTING
12V DC Burner
BURNER DOES
“NOT” COME ON
BURNER DOES
“NOT” TURN OFF
IS THERE FUEL IN THE TANK?
!! CAUTION!! TURN UNIT OFF
IMMEDIATELY AND REPAIR.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
IS THE SPRAY TIP INSTALLED?
IS THE TRIGGER BEING PULLED?
ADD FUEL
INSTALL SPRAY TIP, BURNER REQUIRES 1000 PSI
TO OPERATE, IF UNIT IS EQUIPPED w/DUAL
LANCE WAND, CLOSE VALVE TO INCREASE
PRESSURE. VERIFY PROPER NOZZLE SIZE.
TRIGGER MUST BE PULLED TO OPERATE
PRESSURE/FLOW SWITCH
DISCONNECT THE WIRE(s) FROM ONE SMALL
TERMINAL ON THE BURNER RELAY.
DOES THE BURNER CONTINUE TO FIRE?
REPLACE BURNER
RELAY
REPLACE THE
PRESSURE OR
FLOW SWITCH
IS THE BURNER SWITCH ON &
THE THERMOSTAT TURNED UP?
TURN SWITCH ON & TURN THERMOSTAT UP.
CHECK OUT UNIT: REPLACE ANY DAMAGED
HOSES, O-RINGS AND/OR TRIGGER GUN.
IS THE BREAKER ON THE
CONTROL PANEL TRIPPED OR IS
THE INLINE FUSE BLOWN?
RESET THE BREAKER AND/OR REPLACE THE FUSE – LOOK FOR SHORT. CHECK ENGINE OUTPUT-MUST BE
12VDC OR HIGHER & LOAD TEST THE BATTERY. CHECK ENGINE RPM: 3200 FOR BELT DRIVE, 3400 RPM
FOR DIRECT DRIVE. REPAIR CHARGING CIRCUIT AND/OR REPLACE BATTERY IF NEEDED. LOW VOLTAGE
WILL AFFECT BURNER PERFORMANCE.
IS THERE FUEL VAPOR COMING
OUT OF THE BURNER EXHAUST?
CHECK THE TRANSFORMER FOR SPARK. !! CAUTION HIGH VOLTAGE!! CHECK ELECTRODE ADJUSTMENT
AND AIR BAND ADJUSTMENT (SEE BURNER SPEC SHEET FOR SETTING ELECTRODE GAP- IMPORTANT).
CHECK ELECTRODES FOR CRACKS. REPLACE FUEL NOZZLE. REPLACE INSULATION IF IT IS SATURATED
WITH FUEL.
DOES THE BURNER MOTOR
TURN?
CHECK FOR 12VDC AT THE SMALL TERMINALS ON THE BURNER RELAY WHEN THE TRIGGER IS PULLED
AND THE BURNER SWITCH IS ON AND THE THERMOSTAT IS TURNED UP. DO YOU GET VOLTAGE?
JUMP THE TWO BIG RELAY TERMINALS
TOGETHER (CAUTION-ONLY FOR 1-2
SECONDS). IF THE BURNER MOTOR
STARTS, REPLACE THE RELAY – IF
NOT, REPLACE THE BURNER MOTOR.
CHECK HEAT SWITCH/THERMOSTAT FOR CONTINUITY (THERMOSTAT
MUST BE ADJUSTED TO HIGHEST SETTING BEFORE TESTING –
REPLACE IF NO CONTINUITY). CHECK PRESSURE SWITCH FOR
CONTINUITY WHEN MACHINE IS RUNNING AND WITH TRIGGER PULLED
– REPLACE IF NO CONTINUITY.
IS THE FUEL PRESSURE 140 PSI
(+ - 10 PSI)?
ADJUST FUEL PRESSURE TO SPEC. CHECK/REPLACE FILTER & REPAIR ANY AIR LEAKS. IF PROPER
PRESSURE CANNOT BE OBTAINED, REPLACE FUEL PUMP.
TROUBLESHOOTING ENDS: REPEAT PROCEDURE UNTIL TROUBLE FREE OPERATION IS OBTAINED.
TROUBLESHOOTING GUIDE 16