Potterton Suprima 100, Installation & Service Instructions Manual

Page: 35 / 38

SUP0092A
Replace
Electronics
Is Fan Running?
With the GREEN
Light FLASHING
is there 230v
across the
Fan terminals,
check on the
Circuit Board
see Functional
Wiring diagram
NO NO
NO NO NO NO
NO
NO
NO
YES
YES
YES
YES YES YES
YES
YES YES
After further
10 seconds, does
the GREEN Light
Flash Rapidly?
Fault Finding Guide For 100 Model
Page 2
After further
5 seconds,
is GREEN Light
ON continuously?
Replace
Electronics
Replace
Gas Valve
Reset Gap or
Replace Electrode
First replace
capacitor,
second
replace
the FAN
Check Air
Pressure Switch
& associated Tubes
Were Sparks
discharging
elsewhere?
Rectify or replace
the Electrode
or Lead
Were Sparks
visible in viewing
window whilst
GREEN Light was
Flashing
Rapidly?
Is 200v dc
present across
GAS VALVE
whilst GREEN
Light is
Flashing Rapidly?
Is Flame
Visible
during
Rapid Flashing
period of
GREEN Light?
Boiler Operating
Satisfactory
Boiler will Automatically recycle up to 3 times to this point, if ignition does not occur.
On last attempt, RED FLASHING Light will be displayed.
From
Page
1
Ignition Repeat Path
To
Page
1
Return to
Initial Conditions