Sime SUPER 102, Инструкция по установке и обслуживанию

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20
6.6 D.H.W. MODE - FAULT FINDING
Start from cold - Summer/Winter switch set to SUMMER position, D.H.W. thermostat set to maximum, and all D.H.W.
taps OFF.
NOTE:
When commissioning the boiler, please check the polarity in case the pump and the fan are running but the bur-
ner does not fire.
Is power at
the external
socket?
Make
power
available
Replace
divertor
valve
Does
the pump
start?
Does
the fan
start?
Replace
the stat Is there a spark at
the pilot?
Is fuse
at mains
plug OK?
Replace
fuse in
mains plug
Are microswitches
of divertor valve
operated?
Is the
over heat
thermostat
correctly set?
Can the
thermostat
be reset?
Reset the
thermostat
Make it
free to
rotate
Is power at
L and N
terminals?
Check wire
connections
to L and N
terminals
Is there 240 V
to terminal
20 on
driver PCB?
Is there
240 V supply
to pump?
Is there
240 V supply
to fan?
Replace
fan
Check gap
between
electrode and
hood.
Check H.T. lead
and electrode
are not damaged.
Does it
now spark?
Is pump
shaft free
to rotate?
Open any D.H.W.
tap to give flow
2.8 l/min.
Can you
get the desired
flow at the
D.H.W. taps?
Replace
fused
Are fuses
F1 and F2 OK?
Is relay
1D (K2)
closed?
Replace
ignition PCB
Replace
pump
Is there
240 V supply
at the
terminal 20?
Is fuse
F2 on driver
PCB OK?
Remove
connect or
block 26-29
Is relay
1D (K2)
closed?
Has pressure
smoke switch
operated?
Replace
F2 fuse
Clean or replace
filter at inlet of
divertor valve
Replace
driver PCB
Is fuse F1
on driver
PCB OK?
Replace
driver PCB Check
sensing pipe
connections
and check
for blockages.
Does it
now operate?
Replace
fuse F1
Replace limit
thermostat
Is there
240 V supply at
terminal 21?
Is there
240 V supply at
terminal 22?
Replace
microswitches
assembly
Replace
pressure switch
Does the
pilot light?
Does spark
stop after
pilot is lit?
Does main burner
crosslight from
pilot?
Can burner
pressure be
reduced via
D.H.W. ajuster?
Does burner
pressure reduces
as temperature
rises toward max.?
Verify:
1) Limit stat
2) D.H.W.
thermistor
3) Driver PCB
Is main burner
pressure
achieved?
Replace
ignition PCB
Repalce D.H.W.
thermistor
Does the boiler
swich OFF before
temp. attainment?
Is there a
voltage at the
modulator coil?
Is there a gas
supply to pilot?
Open
gas cock
Replace
proportioning
unit (Modulator)
Is pilot injector
free from
blockages?
Clean or replace
pilot injector
Is there electr.
supply at the
pilot solenoid?
Replace
ignition PCB
Is there electr.
supply at the
main solenoid?
Replace
gas valve
Boiler
satisfactory
Replace main coil.
Does main
burner crosslight?
Replace
pilot solenoid
No Yes Yes Yes
Yes
Yes
Yes
No
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No
Yes
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No
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Yes
No
Yes
Yes
Yes Yes
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Yes
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Yes
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Yes
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Yes
Yes
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Yes
Yes
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No
Yes
Yes
Yes
Yes Yes Yes Yes
No
No
Yes
Yes
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No
Yes
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Yes
Yes
Yes
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No
No
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No
Yes
Yes