Roberts Gorden BH35UT/EF User Manual

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Refer to control panel

IOS manual for troubleshooting.

Fan motor may have to

be replaced.

Remove obstruction.

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Check thermostat

and replace if necessar

y.

Turn up thermostat. Does the fan turn on?

Remove obstruction.

Repair

, replace or

tighten hoses as necessar

y.

Is the flue pipe or

the inlet of the

burner obstructed?

Are the hoses to the pressure switch secure and leak free?

Remove Black and Y

ellow

leads from the pressure switch; place a jumper between leads.

Is there a spark?

Replace pressure switch.

Is the igniter gap

set at 3 mm?

Carefully reset gap

to 3 mm.

Replace automatic

control unit.

Unplug burner and check electrode and ignition wire.

Are they damaged?

Replace electrode and ignition wire as needed.

After 20 second pre-purge Is there spark at the igniter?

Check clock program.

Reset as required.

Is there power (230V) to the control panel?

Is the clock set to on?

Is there power output

to the fan?

Disconnect power to the

motor

. Does the

motor turn freely?

Motor may have have tripped

overload switch. W

ait

10 - 15 minutes for

automatic reset.

Is the motor connected

properly? Refer to the wiring diagrams on the motor and in the installation manual.

Is there an obstruction to

the pump impeller?