What If; What If I Suspect A Gas Leak; What If I Have Frequently Top-Up The System; What If The Appliance Is Due Its Annual Service - VOKERA Vision 25C User Instructions

FAULT CODES
ALARM CODE CAUSE
_St
AUTOSTOP
CALL FOR SERVICE
_CL
Ignition failure, flame not sensed,
A01
internal fault
A02
Limit thermostat fault
Fan tacho signal fault
A03
Insufficient system water pressure
A04
DHW thermistor fault
A06
Primary (flow) thermistor fault
Primary (flow) thermistor over tempe-
A07
rature
Temperature differential
Return thermistor fault
Return thermistor over temperature
A08
Temperature differential inverted
Flue thermistor or flue thermistor
A09
counter fault
Flue thermistor over temperature
Low temperature thermostat fault
A77
Adj
Calibration
Service operation
ACO
Purge cycle mode active
P
Preheating function active
P
Preheating function running
blinking
Flame ON
Hours Stand-by
- - OFF

4. WHAT IF...

4.1 WHAT IF I SUSPECT A GAS LEAK

If you suspect a gas leak, turn off the gas supply at the gas
meter and contact your installer or local gas supplier. If you
require further advice please contact your nearest Vokèra office.
4.2 WHAT IF I HAVE FREQUENTLY TO TOP-UP
THE SYSTEM
If the system regularly requires topping-up, it may be indicative
of a leak. Please contact your installer and ask him to inspect
the system.
4.3 WHAT IF THE APPLIANCE IS DUE ITS AN-
NUAL SERVICE
Advice for tenants only
Your landlord should arrange for servicing.
ALARM TYPE ACTION
Final Call engineer
Temporary then Call engineer
Final
Final Reset, check appliance operation
Final Reset, check appliance operation
Final Reset check appliance operation,
check fan
Final Check/refill system pressure, reset,
check appliance operation
Temporary Check DHW thermistor
Temporary Check primary thermistor, check wiring
Temporary then Reset, check appliance operation
Final
Final Reset, check appliance operation,
check thermistors
Temporary Check return thermistor, check wiring
Temporary then Reset, check appliance operation
Final
Final Reset, check pump, ensure there is
sufficient circulation around heating
circuit/s
Temporary Check flue thermistor counter at power
on, check flue thermistor, check wiring
Final Reset, check appliance operation
Temporary Check low temperature thermostat
Na None
Na None
Na None
Na None
Na None
Na None
Na None
Na None
Advice for homeowners
Please contact Vokèra Customer Service (0844 3910999 (UK)
or 056 7755057 (ROI) if you would prefer a Vokèra service
engineer or agent to service your appliance. Alternatively your
local GAS SAFE registered engineer may be able to service
the appliance for you.

4.4 - WHAT IF I NEED TO CALL AN ENGINEER

If you think your boiler may have developed a fault, please contact
your installer or Vokèra Customer Services (0844 3910999 (UK)
or 056 7755057 (ROI) have all your details to hand including
full address and postcode, relevant contact numbers, and your
completed appliance log book.
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