Fault Finding Chart - Aga-Rayburn Coalbrookdale Little Wenlock Gas Power Flue Installation And Servicing Instructions

START
PRESS FAN CONTROL ON.
DOES THIS ILLUMINATE THE CONTROL
BOX LIGHT.
YES
ON RELEASING ON SWITCH DOES THE
LIGHT STILL ILLUMINATE.
YES
DOES FAN OPERATE.
YES
AFTER APPROX. 5-10 SEC'S DOES THE
LIGHT EXTINGUISH .
YES
IS THE FAN SPEED REDUCED.
YES
OPERATE GAS CONTROL
IS GAS AVAILABLE AT THE PILOT.
YES
DOES PILOT BURNER IGNITE.
YES
ON RELEASING THE CONTROL KNOB
DOES THE PILOT REMAIN ALIGHT.
YES
WITH THE FIRE ALIGHT PRESS THE FAN
CONTROL OFF BUTTON.
IS THE FAN TURNED OFF.
YES
IS GAS TO PILOT SHUT OFF
YES
APPLIANCE SYSTEM OK.

FAULT FINDING CHART

CARRY OUT MAINS CHECK
NO
IS MAINS ALRIGHT
YES
REPLACE FAULTY FAN CONTROL BOX.
YES
CHECK VALVE SWITCH OPERATION
NO
IS VANE SWITCH OK.
YES
CHECK FAN OPERATION
NO
IS FAN OK.
YES
NO
IS THE FLUE OUTLET CLEAR OF
RESTRICTION BLOCKAGE
CORRECT FAULT
NO
REPLACE FAN ASSY
NO
CORRECT GAS SUPPLY FAULT
NO
CORRECT FAULT WITH IGNITION SYSTEM
DISCONNECT THERMOCOUPLE LEADS
NO
FROM FAN CONTROL BOX AND
CONNECT TEST LEADS INTO THIS
TERMINAL BLOCK.
WITH THE FAN SWITCHED ON DOES THE
METER READ LESS THAN 0.5 OHMS
YES
REPLACE THERMOCOUPLE GAS
CONTROL AS APPROPRIATE.
CHECK FAN WIRING
NO
AND/OR
REPLACE FAULTY CONTROL BOX.
NO
REPLACE FAULTY GAS CONTROL
22
NO
CORRECT MAIN SUPPLY FAULT
CORRECT FAULT
NO
REPLACE VANE SWITCH ASSY
CORRECT FAULT
NO
REPLACE FAN ASSY.
NO
REMOVE BLOCKAGE/RESTRICTION
NO
REPLACE FAN CONTROL BOX.
.