25
IGNITION FUNCTIONAL CHECK 2
NO SPARK
Ensure there is no debris around the pilot assembly,
(e.g. soot etc.) which could short the spark, clean the area.
|
|
|
| Consult the users |
|
|
|
|
| instructions, retry. |
|
| From Ignition Fault | No | Is the valve being | Yes | |
|
|
| |||
| Finding Chart 1 |
|
| operated correctly? | |
|
|
|
| ||
| Yes |
|
|
|
|
| Is the gap between |
| No |
|
|
| electrode and |
| Reset the electrode gap, retry. |
| |
| thermocouple 4.0mm? |
|
|
| |
|
|
|
|
| |
| Yes |
|
|
|
|
| Has ignition lead |
| Yes |
|
|
| become detached or is |
| Correct and retry. |
| |
|
|
|
| ||
| connection poor? |
|
|
| |
|
|
|
|
| |
| No |
|
|
|
|
| Remove the electrode lead |
|
| Check for defective or |
|
|
|
| damaged control knob spindle |
| |
Yes | from electrode with insulated |
|
| or cam operation. Check for |
|
pliers. Hold the tip 3.5mm from the |
| correct location of piezo |
| ||
|
|
| |||
| pilot pipework, is there a spark |
|
| components. Correct and retry. |
|
| when the valve ‘clicks’? |
|
|
|
|
FLAME FAILURE FUNCTIONAL CHECK 3
PILOT WILL NOT STAY LIT OR FIRE GOES OUT IN USE
Ensure there is no debris around the pilot assembly,
(e.g. soot etc.)
Light the pilot and keep the control knob pushed in
at least 10 seconds before letting go.
|
|
|
|
| No |
| Will pilot |
| Yes |
|
|
| |||||||||
With the pilot |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
| stay alight? |
|
|
|
|
|
|
| With the fire running | ||||||
running is the gas |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| on full is the gas at | ||||
pressure as stated on |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
| No |
|
|
|
|
|
|
| No | the pressure stated | |||||||||||
the databadge? |
|
|
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
| on the databadge? | |||||||||||||
|
|
|
|
|
|
|
| Problem is with the |
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
| pipework or |
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| fittings which lead |
|
|
|
|
|
| Yes | |||||
|
|
|
|
|
|
|
|
| to the fire. Correct |
|
|
|
|
| |||||||
| Yes |
|
|
|
|
|
| and retry. |
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
| Run for 3 mins, | ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| turn off, time interval | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| until mag unit shuts | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
| No | with a click. Is this | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| greater than 7 | |||||||
Is the pilot flame of the |
|
|
|
|
|
| Is thermocouple |
|
|
|
|
|
|
| seconds? | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||
|
|
|
|
|
| connection good |
|
|
|
|
|
|
|
|
|
| |||||
correct length? |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
| in back of valve? |
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Yes |
|
|
|
|
|
| Tighten the | |||||||
|
|
|
|
|
|
|
|
| No |
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| connection and retry. | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Yes
SERVICING INSTRUCTIONS FAULT FINDING CHARTS
No
Is the electrode wire
detachable from the piezo
in the valve?
| Remove the electrode lead from |
| the piezo. Place a small insulated |
Yes | screwdriver close to the piezo |
| connection and operate the |
|
No | Replace thermocouple. |
No
Replace the valve.
valve. Does a spark jump from |
the piezo to the valve body? |
Yes |
Change the pilot injector.
Will pilot
stay alight?
No
Change mag
unit.
Yes
No
Run for 3 mins, turn off, time interval until mag unit shuts with a click. Is this greater than 7 seconds?
Yes
Replace the electrode. | Replace the electrode | |
lead and retry. | ||
|
SYSTEM OK
