Honeywell Central Heating Cooker Natural Gas - Manual (Page 34)

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SERVICING
f) Replace in reverse order ensure heat shield large opening is at
the top of the panel.
g) Reset the programmer to the current time and program to
customer requirements.
See Fig. 11
a) Remove the lower control panel and remove the smaller
blocked flue thermostat panel 2 screws.
b) Remove the phial retaining clip and remove phial.
c) Remove thermostat from panel 2 screws from front.
d) Replace wires in line with wiring diagram.
e) Refit in reverse order ensuring thermostat phial is fitted
correctly in the pocket.
a) Remove the lower control panel.
b) Disconnect the thermostat control panel 7 way plug and
remove both boiler burner and cooker burner 6 way plugs from
the panel.
c) Undo the two way central reset switch securing bracket bolts.
d) Remove electrical connections from switch.
e) Squeeze together switch retaining clips and release switch.
f) Refit new switch into bracket, refit electrical connections,
ensure switch is correctly fitted
g) Refit in reverse order.
• Remove the Venturi filter and remove any lint or other
build-up.
• Check condition of combustion head and electrodes. Replace any
cracked/damaged electrodes.
• Reset, if necessary, electrode and ionisation probe gaps to
3mm and 11.5mm respectively.
• Check condition of clear sensing tubing and replace if
necessary.
• Check and replace as necessary any gasket seals.
• Check and ensure tight fit of both ignition lead and ionisation
probes.
• Refit burners replace all seals, carry out soundness check - fit cooker
burner prior to boiler burner.
• Restart the burners and check combustion values
8. BLOCKED FLUE OVERHEAT THEMOSTAT
9.BURNER RESET SWITCHES
10. SERVICE PROCEDURES FOR BURNERS
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