Turn up thermostat. | No | Is there power (230V) |
Does the fan turn on? | to the control panel? Yes | |
|
| No |
Check clock program.
Reset as required.
No |
|
| |
Is the clock set to on? Yes | Is there power output | No | |
to the fan? | |||
|
| ||
| Yes |
|
Refer to control panel
IOS manual for troubleshooting.
16.2 Troubleshooting Flow
Check thermostat
and replace if necessary.
Yes |
|
After 20 second | Unplug burner and check |
Is there spark at the igniter? No | electrode and ignition wire.No |
| Are they damaged? |
| Yes |
| Replace electrode and |
| ignition wire as needed. |
Fan motor may have to | No | |
be replaced. | ||
|
Is the igniter gap | Yes | |
set at 3 mm? | ||
| ||
No |
| |
Carefully reset gap |
| |
to 3 mm. |
|
Disconnect power to the
motor. Does the
motor turn freely?
No
Is there an obstruction to
the pump impeller?
Is the flue pipe or
the inlet of the
burner obstructed?
No
Are the hoses to the
pressure switch secure
and leak free?
Yes
Yes
Yes
Yes
Motor may have have |
| Is the motor connected |
tripped overload switch. | No | properly? Refer to the |
Wait 10 - 15 minutes for |
| wiring diagrams on the |
automatic reset. |
| motor and in the |
|
| installation manual. |
Remove obstruction. |
|
|
Remove obstruction.
Repair, replace or
tighten hoses as necessary.
Chart (Multiburner)
65 of 73
Replace automatic |
| Remove electrical plug | |
No | from the pressure switch; | ||
control unit. | |||
place jumper between | |||
| |||
|
| black & white leads. | |
|
| Does the fan turn on? | |
|
| Yes | |
|
| Replace pressure switch. |
SECTION 16: TROUBLESHOOTING