Roberts Gorden Vacuum Assisted Linear - Manual (Page 73)

SECTION 16: T ROUBLESHOOTING
67 of 75
16.2 Troubleshooting Flow Chart (Multiburner)
Refer to control panel
IOS manual for troubleshooting.
Fan motor may have to
be replaced.
Remove obstruction.
No No
Ye
s
Ye
s
No
No
No
Ye
s
No
No
Ye
s
Ye
s
Ye
s
Ye
s
No
No
Ye
s
No
Ye
s
Ye
s
No
No
No
Ye
s
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?