Service manual

G.Fire Service Manual 4 Issue A — © Masport, March 2004
8
Does spark begin
in 7 seconds?
Press AUTO/MAN until MANUAL shows
Is the battery symbol flashing or dead?
YES
Replace 2 AAA batteries
NO
NO
Has aerial circuit board in control box
been dislodged by pulling on aerial wire?
Re-fit curcuit
board inside
control box
and re-test
YES
Does spark cease in
30 seconds?(Normal)
11
YES
Fire still not alight?
Press ON/OFF
button twice to
repeat ignition cycle.
No flame after
ten cycles?
14
NO
Check wire connections and
earth return between burner
and valve. Verify ignition loom
plugs are firmly home. Check
the control box fuse. If still
no spark, check the spark
electrode insulation and
lead for cracks.
If qualified, check for
a mains signal from
the control box to the
ignition module on
the valve.
NO SIGNAL
Faulty
control box.
SIGNAL
Faulty
ignition module
Clean flame sensor
electrode and
check its wiring.
13
NO
OK
NO FLAME
Clean main
injector.
FAULTY
Check for gas
pressure at the
valve inlet
Faulty valve
OK
Faulty gas supply
FAULTY
Press the ON/OFF button on the remote until MANUAL, AUTO, or PROG is showing.
B
b
— ECS II FIRE WON'T LIGHT AFTER REPEATED ATTEMPTS
Note: These fires have no standing pilot. The burner lights each time the heat is called for.
When operating correctly, the spark ceases as soon as the main burner flame is established.
FIRST:-
Check that the mains power supply and the gas supply are valid and that any gas valves are open.
1
2
3
4
5
6
7
9
10
12
15
16
17
18
20
19
21
22
23
24
Handpiece faulty
Handpiece OK
Does the transmit signal on the
handpiece flash momentarily?
Check for gas pres-
sure at valve outlet
Continue purging
air by 10 further
starting attempts.
OK
11a
Check for reversed
neutral and phase in
mains supply
NO
YES