Shizuoka Seiki KBE5L Maintenance Manual Download Page 11 | Manualshive

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VAL6 KBE5S & KBE5L Trouble Shooting

No.

Possible Cause

How to check

Result

Remedy

16

Circuit board (Burner
control) is defective

Measure voltage at input
side of transformer
connector (CN 7)

If power source is
normal and tester reads
0V at input side, circuit
board is defective

Replace circuit
board (burner
control)

17

Terminals of control
device is uncoupled

Check whether the
terminals for control
device are connected
firmly

Firmly connect
terminals on control
device

18

Direct sunlight hits
flame monitor

If it starts, sunlight is
detected by flame
monitor

Move disk away
from direct sunlight
or bright light source

19

Circuit board (Burner
control) is defective

If it doesn't start, circuit
board is defective

Replace a circuit
board

20

Over voltage is being
detected

Change the power source
or confirm whether the
voltage of power source
or generator is correct

Find a cause of over
voltage and take
away them

21

Combustion fan
connector is loose
connection

Plug combustion fan
connector (CN 13) again,
and then turn on

If it works normally,
combustion fan
connector fails on contact

Plug connector
(CN13) firmly

22

Combustion fan motor
is clogged

Try to rotate a vane by
hand (*Be sure to plug
off beforehand)

If a vane isn't rotated
smoothly or completely,
the combustion fan is
clogged

Replace a
combustion fan

23

Combustion fan and/or
circuit board (Burner
control) is defective

Refer to above #21 & 22 There is no cause in #21

& 22, combustion fan
and/or circuit board are
defective

Replace a
combustion fan
and/or circuit board

Overvoltage lamp is not lit (Operation lamp and misfire lamp are lit)

Unplug flame monitor
connector (CN11), then
turn on switch

All three(operation, misfire, over voltage) lamps are lit

Combustion fan does not run

Standard: AC120V (white-red)

Misfire lamp is not lit (Only operation lamp is lit)

4

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Summary of Contents for KBE5L

Page 1: ...VAL6 Infrared Heater Maintenance Manual KBE5S KBE5L 2 step All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...ram of Burner Control KBE5S KBE5L 2 step Sequence Time Chart Operation Switch Solenoid Pump Fan Igniter ON OFF 180 sec 5 sec within 10 sec 10 sec post ignition ignition All manuals and user guides at all guides com ...

Page 3: ...uited 7 turning on the switch YES NO YES NO Power source is not supplied 8 Fuse blows out 9 Power cord is disconnected 10 Power sorce connector is loose connection 11 Transformer connector is loose connection 12 Transformer is defective 13 Operation switch connector is loose connection 14 Operation switch is defective 15 Circuit board burner control is defective 16 Possible Cause Put fuel into the...

Page 4: ... defective YES NO Ignition transformer connector or high voltage 24 cord is loose connection Electrode is defective 25 Ignition transformer is defective 26 crack in high voltage cord Circuit board Burner control is defective 27 YES NO YES NO Fuel pump connector is loose connection 28 Fuel pump is defective 29 Circuit board Burner control is defective 30 1 KBE5S manufacturered from 2006 to 2013 Ser...

Page 5: ...s contaminated with water 39 NO YES NO YES Lens of flame monitor is dirty or dusty 40 Poor lighting is detected by flame monitor 41 Flame monitor connector is loose connection 42 Flame monitor is defective 43 YES NO Run out of fuel 44 Nozzle is clogged 45 Fuel filter is clogged 46 Air intake of fuel gauge is clogged 47 Overvoltage lamp is lit Overvoltage is being detected 48 Fuel is sprayed normal...

Page 6: ...scosity is increasing 53 Black White Fuel viscosity is increasing 54 Nozzle is clogged 55 YES NO gives off black Combustion air is insufficient 56 smoke 57 Oxygen for combustion is low because of high altitude Combustion is stable Smoke comes out Smoke is continuous Which color is the smoke Heater is using in high altitude Combustion level can switch into High Low for KBE5L 2 step only All manuals...

Page 7: ...ient 62 Oxygen for combustion is low because of high 63 Normal Operation Smell of fuel comes out Flame bounces out from the disk The unburnt component may come out under the temperature of combustion chamber is low right after ignition This unburnt component causes odor However this may stop within 3 minutes because the temperature of combustion chamber will increase Operating in high altitude All...

Page 8: ...l resistance values of two leads If either lead shows Ω the transformer is short circuited Replace a transformer Without circuit tester Disconnect transformer connector CN 7 from circuit board then put plug into AC outlet If the fuse is intact the transformer is short circuited Replace a transformer 4 Surge absorber SA1 on control board is short circuited Measure resistance at surge absorber SA1 I...

Page 9: ...f the value shows Ω the ignition coils is short circuited Replace an ignition transformer Without circuit tester Disconnect ignition connector CN 4 and then start operation If the fuse is intact the ignition coils is short circuited Replace an ignition transformer 7 Fuel pump is short circuited Disconnect fuel pump connector CN 6 from circuit board then measure resistance between terminals If the ...

Page 10: ... fails on contact Plug in connector CN 1 firmly 12 Transformer connector is loose connection Plug in transformer connector CN 7 again and then turn on If it works normally transformer connector fails on contact Plug in connector CN 7 firmly 13 Transformer is defective Measure voltage at output side of transformer connector CN 7 If tester reads normal voltage at input side and reads 0V at output si...

Page 11: ...e or generator is correct Find a cause of over voltage and take away them 21 Combustion fan connector is loose connection Plug combustion fan connector CN 13 again and then turn on If it works normally combustion fan connector fails on contact Plug connector CN13 firmly 22 Combustion fan motor is clogged Try to rotate a vane by hand Be sure to plug off beforehand If a vane isn t rotated smoothly o...

Page 12: ...and then turn on If it works normally fuel pump connector fails on contact Plug connector CN6 firmly 29 Fuel pump is defective If the value shows standard voltage the pump is defective Replace a fuel pump 30 Circuit board Burner control is defective If the value does NOT show standard voltage the circuit board is defective Replace a circuit board 31 Fuel pump is inhaling air which is remaining in ...

Page 13: ...clogged or defective Loose the brass nut then switch on and check whether fuel comes out place a pan under the pump If no fuel is pump up or fuel is not flowing at least 2 high the fuel pump is clogged or defective see exhibit How to restore the fuel Replace a fuel pump Clean and flush the tank with kerosene alcohol or acetone Fuel is not sprayed normally from the nozzle Replacing a nozzle unscrew...

Page 14: ...he lens of flame monitor with soft cloth 41 Poor lighting is detected by flame monitor Remove a burner and check whether the whirl vane and inside of draft tube are clear or not If they are dirty or dustiness flame monitor cannot detect flame light properly usually this will be happen with above 42 at once Clean the whirl vane and inside of draft tube or replace a vane clean the lens of flame moni...

Page 15: ...air intake of fuel gauge is clogged with dust If air intake of fuel gauge is clogged fuel flow is insufficient by pressure drop in fuel tank Clear an air intake of fuel gauge 48 Over voltage is being detected Change the power source or confirm whether the voltage of power source or generator is correct Find a cause of over voltage and take away them Combustion is not stable 49 Nozzle is clogged Re...

Page 16: ...om the nozzle because fuel viscosity is increased by low ambient temperature Warming up fuel refueling winter fuel or mixing kerosene with fuel in order to decrease fuel viscosity 54 Fuel viscosity is increased by low ambient temperature Check whether ambient temperature is not under minus 4 dgree Fahrenheit 20 and make sure winter fuel is used If temperature is under minus 4 degree Fahrenheit or ...

Page 17: ...r applied voltage is normal Standard 120V 10 If applied voltage is lower than 108V imperfect combustion by decreasing of combustion fan rotation speed occurs Find a cause s of low voltage and solve it or plug into another outlet 57 Oxygen for combustion is low because of high altitude Check whether the heater is opearting in an altitude higher than 1000m If its altitude is higher than 1000m imperf...

Page 18: ...r circuit board Check whether vanes of combustion fan are dusty If vanes are dusty imperfect combustion is occurs by low oxygen Clean a vanes of combustion fan Check whether air inlet opening for combustion is appropriate If opening is small imperfect combustion occurs by low oxygen Adjust a air inlet opening Normal scale 3 Check whether applied voltage is normal Standard 120V 10 If applied voltag...

Page 19: ...12 VAL6 KBE5S KBE5L Trouble Shooting No Possible Cause How to check Result Remedy 10 0 5mm 8 0 5mm 2 4 0 5mm Electrode Nozzle Electrode Drawing 12 All manuals and user guides at all guides com ...

Page 20: ... pump turns on you can feel and hear the vibration This will occur approximately 5 seconds after the switch has been turned on Make sure that the electrode is sparking You will hear the sparking and can see it through the front disk right after turning on the heater Take the heater to a dimly lit area for this spark check If the above items all check out properly and the unit is still not firing p...

Page 21: ... Black White AC 120V 10 Red White input AC 120V 10 Purple Purple output about AC 15V Igniter CN4 Black Black input AC 120V 10 60Hz AC 120V 10 50Hz Fan motor CN3 Gray Gray about 130Ω Transformer CN7 Solenoid Pump CN6 Red Blue AC 60 96V CN7 Igniter CN4 Black Black Solenoid Pump CN6 Red Blue Blue Blue When heater is used above 3 000ft sea level adjust air inlet on fan motor for better combustion Oper...

Page 22: ...burner control Turn on the circuit tester and set AC voltage range Insert the lead head of resistor to connector lead wire side and measure resistance Turn on the circuit tester and set resistor range Insert the lead head of resistor to connector and measure voltage Unscrew two screws and take burner Unscrew three nuts and take the burner off screw nut Picture 2 Picture 1 Picture 3 All manuals and...

Page 23: ...rial Number from 01Q 030000 2003 2004 model If air intake of fuel gauge is clogged clean it up Open a screw cap and take out a fuse Take out the burner control and point the lead head at solder part of SA1 In case of draft tube and fan are dusty please clean them up draft tube whirl vane SA1 Check whether fuse is blown out air intake Picture 8 Picture 7 Picture 4 Picture 5 Picture 6 All manuals an...

Page 24: ...an 3 000 ft you need to expand combustion air inlet opening Unfasten a knob and expand combustion air inlet opening Fasten a knob of combustion fan and put a burner cover back You need to expand combustion air inlet opening gradually until smoke is clear away or flame doesn t protrude from the radiation disk scale should be 4 or more Picture 9 knob All manuals and user guides at all guides com ...

Page 25: ...er from the fuel tank Remove the fuel cap take out the tank inlet Later on please remove with wrench the filter and insert a handy suction pump into drain bolt and tilt the fuel tank until the the tank fuel is completely drained out of the tank At the same time be careful not to lose Remove as much fuel as possible with the drain bolt packing the handy suction pump Restore the drain bolt packing a...

Page 26: ...c Periodic Inspection The heater must be checked if used for a long time Please ask your dealer to inspect the heater every two 2 seasons How to connect the Control device Uncouple the terminals A attached to the tip of white wires that come out of the burner base Connect both male and female terminals which are uncoupled to the connecters B of control device Observations When removing the flame m...

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