20
TROUBLE: BURNER DOES NOT START
SOURCE PROCEDURE CAUSES REMEDY
THERMOSTAT CHECK THERMOSTAT SETTINGS THERMOSTAT SET TO LOW TURN THERMOSTAT UP
THERMOSTAT ON “OFF” OR “COOL” SWITCH TO HEAT
JUMPER TT TERMINALS ON OPEN THERMOSTAT WIRES REPAIR OR REPLACE WIRES
AQUASTAT
LOOSE THERMOSTAT TIGHTEN CONNECTIONS
CONNECTORS
FAULTY THERMOSTAT REPLACE THERMOSTAT
THERMOSTAT NOT LEVEL LEVEL THERMOSTAT
DIRTY THERMOSTAT CONTACTS CLEAN CONTACTS
CIRCUIT OVERLOADS CHECK BURNER MOTOR BURNER MOTOR TRIPPED ON PUSH RESET BUTTON
OVERLOAD SWITCH OVERLOAD
CHECK PRIMARY CONTROL PRIMARY TRIPPED ON SAFETY RESET SAFETY SWITCH
SAFETY SWITCH
POWER CHECK BOILER DISCONNECT SWITCH OPEN CLOSE SWITCH
SWITCH AND MAIN DISCONNECT
SWITCH TRIPPED BREAKER OR BLOWN RESET BREAKER OR REPLACE
FUSE FUSE
PRIMARY CONTROL CHECK FOR VOLTAGE AT THE LIMIT CONTROL SWITCH OPEN CHECK LIMIT SETTING
BURNER BETWEEN THE BLACK
AND WHITE WIRES JUMPER TERMINALS-IF BURNER
STARTS REPLACE CONTROL
OPEN CIRCUIT BETWEEN LIMIT REPAIR CIRCUIT
CONTROL AND DISCONNECT
SWITCH
LOW ONE VOLTAGE OR POWER CALL UTILITY COMPANY
CHECK FOR VOLTAGE AT THE DEFECTIVE CONTROL REPLACE CONTROL
BURNER BETWEEN THE ORANGE
AND WHITE WIRES. NO VOLTAGE
INDICATES A FAULTY CONTROL
BURNER MOTOR CHECK FOR VOLTAGE PUMP SEIZED TURN OFF POWER TO BURNER.
BURNER MOTOR LEADS ROTATE BY HAND, CHECK FOR
EXCESSIVE DRAG. REPLACE
BLOWER WHEEL BINDING FUEL UNIT OR BLOWER WHEEL
BURNER MOTOR DEFECTIVE REPLACE BURNER MOTOR
