Stovax PR0731 manual Ignition Functional Check, Flame Failure Functional Check

17

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.
			No
	From Ignition Fault	No	Is the valve being	Yes
	Finding Chart 1		operated correctly?
	Yes
	Is the gap between	No	Check tab on pilot burner is
	electrode and		not damaged. Either repair
	thermocouple 4.0mm?		tab or replace pilot burner &
			retry
	Yes
	Has ignition lead	Yes
	become detached or is		Correct and retry.
	connection poor?
	No		Check handset batteries are OK.
	Remove the electrode lead		Replace if required. Check handset
			is on manual. Check if handset lock
Yes	and electrode. With insulated
			is off. Check batteries to the control
	pliers. Hold the tip 4.0mm from the
			unit. Replace if required. Retry with
	pilot pipework, is there a spark
			handset and touch pad.
	when the system is operated?

No

Has the ignition lead
become detached from the	Yes
control box?

No

Replace the lead, retry.

Replace the electrode. Reconnect the lead and retry.

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.) Check for fluff in the pilot aeration hole. See the Diagram in the Replacing Parts section.

SERVICINGINSTRUCTIONS FAULTFINDINGCHARTS

Light the pilot using either the handset or the touch pad

No

Yes

With the pilot

Will 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

Is the pilot flame of the

greater than 7

Is thermocouple

seconds?

correct length? Are the

connection good

thermocouple leads

in back of valve?

damaged or loose in the

Is the flue working?

interrupter block? Is the

ON/OF switch in the ON

Yes

Tighten the

No

(I) position.

No

connection and retry.

No

Replace pilot unit.

Rectify flue

Yes

Run for 3 mins, turn

Will pilot

stay alight?

off, time interval until

Yes

Change the pilot unit

mag unit shuts with a

or damaged

No

No

click. Is this greater

than 7 seconds?

thermocouple leads

Change mag

unit.

Yes

SYSTEM OK