36 06/218390-017A
FIREBOX VACUUM & VACUUM SWITCH TROUBLESHOOTING
Firebox vacuum low or Vacuum switch not working
TURN THE
APPLIANCE ON
APPLIANCE
REPAIRED
SET MULTIMETER TO Ω AND CONNECT
TO THE TWO TERMINALS ON THE VACUUM
SWITCH. WITH EXHAUST BLOWER RUNNING,
METER SHOULD SHOW LESS THAN 0.5 Ω.
REPLACE THE
VACUUM SWITCH
YES NO
CHECK DOOR
GASKETS, CLEAN
FIREBOX AND
VENTING SYSTEM.
CHECK WIRE AND
HOSE CONNECTIONS
TO VACUUM SWITCH.
DOES SWITCH CLOSE
TO LESS THAN .05
Ω WITH EXHAUST
BLOWER RUNNING?
NO
YES
VACUUM SPECS WITH DIAL CONTROL ON “0” TRIM
COLD APPLIANCE, PELLETS IN HOPPER, BLOWER AT MAX: .19 TO .30 inches of WC
POWER LEVEL 1: .11 TO .26 inches of WC
POWER LEVEL 2: .11 TO .25 inches of WC
POWER LEVEL 3: .12 TO .25 inches of WC
POWER LEVEL 4: .13 TO .23 inches of WC
POWER LEVEL 5: .15 TO .22 inches of WC
SHUTDOWN: .17 TO .25 inches of WC
To Next Page
Loading...
