Instruction manual

9
MAINTENANCE
6 720 806 549 (2013/02)
4 MAINTENANCE
4.1 FAULT FINDING
This table gives information on basic operating system problems.
Problem Cause Remedy
EA fault code flashing on
display
No gas supply/low gas supply pressure ▶ Contact your gas supplier.
Condensate outlet blocked
▶ If it is safe to do so, check your condensate pipe
outlet for blockages, such as ice or foreign objects.
Flue blocked
▶ If it is safe to do so, check your flue outlet for
damage or blockages.
Desired room temperature
is not reached
Thermostatic radiator valve(s) set too low ▶ Increase thermostatic radiator valve setting(s)
Temperature control for central heating flow
on boiler set too low
▶Increase central heating flow temperature control
setting
Air trapped in heating system
▶ Bleed radiators and recharge heating system
Low temperature setting on the boiler
controls
▶ Increase settings on boiler controls
Desired room temperature
too high
Radiators are too hot ▶ Turn down thermostatic radiator valves/room
thermostat
▶ Reduce central heating temperature by turning
down the Central Heating control on boiler
Heating stays on too long Clock is incorrectly set ▶ Check setting and adjust
ON/OFF Indicator is not
illuminated
Momentary power failure ▶ Disconnect boiler supply, wait a few seconds then
reconnect.
Table 2 Fault finding