Troubleshooting – Sealey AB458 User Manual
Page 6
Problem
Possible cause
solution
Heater fires, but main PCB shuts
heater off after a short period of time.
Lamp is flickering.
1. Incorrect pump pressure
1. Adjust pump pressure
2. Dirty input, output or lint filter
2. clean/replace Air filter
3. Dirty fuel filter
3. clean/replace fuel filter
4. nozzle is dirty
4. clean/replace nozzle
5. Photocell lens is dirty
5. clean/replace Photocell
6. Photocell not installed properly
6. Adjust Photocell position
7. Photocell Defective
7. replace Photocell
8. Improper electrical connection between Main
PcB and Photocell
8. check wiring connections (see Wiring
Diagram)
9. Ambient temperature too low for fuel type
9. change fuel type
Heater will not operate or motor runs for a
short time. Lamp flickers.
1. No paraffin in fuel tank
1. Fill tank with fresh paraffin
2. Incorrect pump pressure
2. Adjust pump pressure
3. corroded spark Plug or incorrect gap
3. clean/adjust/replace spark plug
4. Dirty fuel filter
4. clean/replace fuel filter
5. Dirty nozzle
5. clean/replace nozzle
6. Moisture in fuel/fuel tank
6. Rinse out fuel tank with fresh paraffin
7. faulty electrical connection
7. Inspect all electrical connections
8. Ignitor Wire not connected to spark Plug
8. re-attach Ignitor Wire to spark Plug
9. Defective Ignitor
9. replace Ignitor
fan does not operate when heater is
plugged in and Power switch is in the
“ON” position. The lamp is flickering or on.
1. thermostat is set too low
1. rotate thermostat to a higher setting
2. Broken electrical connection between Main
PcB and motor
2. Inspect all electrical connections
Lamp flickering.
1. thermostat switch has failed
1. replace thermostat switch
Poor combustion.
1. flames extending beyond heater
1. Decrease Pump Pressure
2. Low heat output
2. Increase Pump Pressure
Heater does not turn on and the lamp is
not lit.
1. temperature limit sensor has overheated
1. Push Power switch to “off” and allow heater
to cool for 10 minutes. Push Power switch
back “on”
2. no electrical power
2. check power cable and extension cable
connections. test power supply.
3. fuse Blown
3. check/replace fuse
4. faulty connection between temperature Limit
sensor and PcB
4. Inspect all electrical connections
8. TRoUBLESHooTING
Parts support is available for this product. To obtain a parts listing and/or diagram, please log on to www.sealey.co.uk, email
[email protected] or phone 01284 757500.
NOTe: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior notice.
IMPoRTANT: no liability is accepted for incorrect use of this product.
WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim.
INFoRMATIoN: for a copy of our latest catalogue and promotions call us on 01284 757525 and leave your full name and address, including postcode.
01284 757500
01284 703534
Sole Uk distributor, Sealey Group,
Kempson Way, suffolk Business Park
,
Bury st. Edmunds, suffolk,
IP32 7Ar
www.sealey.co.uk
Web
WARNING! this heater is not suitable for use with Bio-Diesel; use of Bio-Diesel will damage the filter
and seals. Damage caused by use of Bio-Diesel will not be covered by warranty.
Original Language Version
AB458.V2, AB708.V2,
AB7081.V2, AB7081ss Issue no: 4 - 19/04/12