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5
Operation
5
Operation
5.1
Operation Checking Procedure & Basic Fault identification
STaRT
Make sure the gas
supply is turned On
and check if other
gas appliances are
operating (e.g. fire,
cooker). if the
property has a
prepayment meter
ensure it has
sufficient credit.
nO
external timer
if no gas, consult
your supplier.
nO
Reset Button
16
600 Heat
YES
is the Timer On and
calling for heat ?
nO
12
Typical
examples of
CH ON
CH OFF
Ensure timer is set for Central
Heating On (see any instructions
supplied with timer)
Boiler fails to light ?
nO
Press the Reset Button
is the Room Thermostat (if
YES
fitted) set high enough ?
nO
Turn Room Thermostat to
maximum setting (typical
example shown)
COnTaCT
inSTaLLER OR
SERViCE
EnginEER.
if boiler will not
light.
15
15
YOUR
7726861-01 (1/19)
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