Location Of Faults, Check, Cause, Solution | Master Lock WA 41 A, WA 59 A

┌────────────────────────────────────────────────┬─────────────────────────────────────────────────────────────┐

│		LOCATION OF FAULTS					│				│
├──────┬──────┬──────┬──────┬──────┬──────┬──────┤											│
│ A │ B │ C │ D │ E │ F │							│				│
├──────┼──────┼──────┼──────┼──────┼──────┼──────┤											│
│Flame │Flame │Soot			│Heater│Heater│Over- │				│				│
│extin-│extin-│forma-│stops │heats │flow						│	│				│
│gui-	│gui-	│tion	│after │insuf-│secu- │				│				│
│shed	│shes	│in	│15 min│fi-		│rity	│	│	CHECK:			│
│imme- │after		│burner│or		│cient-│is		│	│				│
│diate-│the		│pot	│longer│ly		│filled│		│	A. Electrical connection.			│
│ly af-│main		│and	│period│		│with	│	│	B. Positioning of burner pan and burner ring.			│
│ter	│fan	│combus│		│	│oil	│	│	C. Flue installation, see page 1.			│
│igni-	│has	│tion	│	│	│	│	│				│
│tion	│star-	│cham-	│	│	│	│	├─────────────────────┬───────────────────────────────────────┤
│	│ted	│ber	│	│	│	│	│	CAUSE	│	SOLUTION	│

├──────┼──────┼──────┼──────┼──────┼──────┼──────┼─────────────────────┼───────────────────────────────────────┤

│	│	1 │	│	7 │	5 │	│	│Fuel tank	is empty or│ Clean filter.	│
│	│	│	│	│	│	│	│filter is	obstructed.│	│

│	2 │	│	2 │	│	│	│	│Combustion air fan	│ Check: if plug is in socket.	│
│	│	│	│	│	│	│	│does not work.	│ Check: if fan motor is blocked.	│
│	│	│	│	│	│	│	│	│ Check: electrical connections and	│
│	│	│	│	│	│	│	│	│ thermostat.	│
│	│	│	│	│	│	│	│	│ Check: air supply to the fan.	│

│	│	3 │	│	5 │	3 │	│	│Supply tube is ob-	│	Fuel flows	into tank via return pipe, │
│	│	│	│	│	│	│	│structed.	│	clean fuel	supply tube.	│

│	│	4 │	│	4 │	│	│	│Pump motor is not	│ Check if pump shaft can be turned by	│
│	│	│	│	│	│	│	│working.	│ hand. if not, remove and clean pump.	│
│	│	│	│	│	│	│	│	│ Check if oil is too viscously: turn	│
│	│	│	│	│	│	│	│	│ capacity regulator to position high.	│
│	│	│	│	│	│	│	│	│ Check overflow security switch by mo- │
│	│	│	│	│	│	│	│	│ ving the overflow tray a few times up │
│	│	│	│	│	│	│	│	│ and down.	│
│	│	│	│	│	│	│	│	│ Control switch is not pushed in or	│
│	│	│	│	│	│	│	│	│ drawn out well.	│

│	3 │	5 │	│	1 │	│	│	│Overheating security │		Too much oil has been used for the	│
│	│	│	│	│	│	│	│has switched off	│	ignition procedure.	│
│	│	│	│	│	│	│	│heater.	│	Check if main fan is not blocked and	│
│	│	│	│	│	│	│	│(Reset this security │		working.	│
│	│	│	│	│	│	│	│by pushing the button│		Check fan and electric connections.	│
│	│	│	│	│	│	│	│in the heater)	│	Capacitor in switch box may be faulty.│
│	│	│	│	│	│	│	│	│	Overflow security is filled with oil, │
│	│	│	│	│	│	│	│	│	see F.	│

│

1 │

│

1 │

│Burner pan, burner

│

Clean

burner

pan daily.

│

│ring and burner pot

│

Clean

burner

pot and burner ring at

│

│have not been cleaned│ least once a week.

│

│regularly.

│

│	│	│	4 │	│	│	│	│Poor connection be-	│	Check packing and slide construction. │
│	│	│	│	│	│	│	│tween sliding panel	│	Replace packing if necessary.	│
│	│	│	│	│	│	│	│with bottom and bur- │		Adjust set screw for spring pressure. │
│	│	│	│	│	│	│	│ner pot.	│		│

│	4 │	│	│	│	│	│	│Flame control thermo-│		Connect the two wires to the thermo-	│
│	│	│	│	│	│	│	│stat is defective.	│	stat (attention, 220V) on nr. 5 and 12│
│	│	│	│	│	│	│	│	│	If main blower starts to rotate, this │
│	│	│	│	│	│	│	│	│	indicates a defective thermostat.	│

│	1 │	│	3 │	3 │	2 │	2 │	│Insufficient chimney │		Check flue for leakages.	│
│	│	│	│	│	│	│	│draught.	│	Check if draught stabiliser is in	│
│	│	│	│	│	│	│	│Min. draught = 2 mmwk│		closed position.	│
│	│	│	│	│	│	│	│	│	Check flue for obstruction.	│
│	│	│	│	│	│	│	│	│	Check flue height. Min. height is 5 m.│
│	│	│	│	│	│	│	│	│	If there is more than 1 elbow or hori-│
│	│	│	│	│	│	│	│	│	zontal pipe, the flue height must be	│
│	│	│	│	│	│	│	│	│	extended.	│

│	│	2 │	│	6 │	4 │	│	│Tank contains water. │		Clean tank. Drain by means of drain	│
│	│	│	│	│	│	│	│	│	plug beneath the tank.	│

└──────┴──────┴──────┴──────┴──────┴──────┴──────┴─────────────────────┴───────────────────────────────────────┘

Master Lock WA 41 A, WA 59 A user manual Location Of Faults, Check, Cause, Solution