Lincat M3F - Servicing, Maintenance and Component Replacement; Fault Finding

IS 713 ECN 4386 Page 9 of 11
SERVICING, MAINTENANCE AND
COMPONENT REPLACEMENT
All servicing, maintenance and component replacement on this appliance should be
carried out by one of our recommended service engineers.
The control panel displays information that can help with fault diagnosis. Before
calling for service, draw off a litre of water, clear the fault code by pressing the Set
button and turn the boiler off and on again at the supply.
Please refer to the Service Help Desk number on the final page of this manual if
fault persists.
Message displayed
Possible causes
Corrective action
FILTER DESCALE
CAUTION
SEE MANUAL
STANDBY CLEAR
Scale on level sensors
Boiler overfilling
Leaking past the inlet
solenoid valve
Descale
Check water inlet valve
Clear fault code
pressing Set button
FILTER NO WATER
FAULT
SEE MANUAL
STANDBY CLEAR
Water turned off
Inlet hose kinked or
blocked
Water pressure too high or
low
Drain valve open
Filter blocked or not fitted
Check water supply and
drain valve
Clear fault code
pressing Set button
Call Lincat if fault
persists
FILTER NOT HEATING
FAULT
SEE MANUAL
STANDBY CLEAR
Boil dry/overheat protector
tripped
Temperature sensor fault
Element failed
PCB fault
Faulty or loose connection
Try overflow temp reset
fig2 (E)
Clear fault code
pressing Set button
Call Lincat if fault
persists
FILTER THERMISTOR
FAULT
SEE MANUAL
STANDBY CLEAR
Temperature sensor fault
Call Lincat
FAULT FINDING