21
Fault finding
Greenstar i System
ErP
– 6 720 806 947 (2015/03)
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
appliance is set too low
▶ Increase central heating flow temperature control
setting
Low temperature setting on the room thermostat
▶ Increase setting on the room thermostat.
Air trapped in heating system
▶ Bleed radiators and re-pressurise the heating
system
Low system water pressure
▶ Re-pressurise the system, refer to page 18
Desired room
temperature
too high
Thermostatic radiator valves are set to high ▶ Turn down thermostatic radiator valves.
Room thermostat is set too high
▶Turn down room thermostat.
Radiators are
too hot
Temperature control on appliance set too high ▶ Reduce central heating temperature by turning
down the Central Heating control on appliance.
Note: This could prevent your property reaching
the desired temperature during cold weather
periods.
Heating stays
on for too long
Clock is incorrectly set ▶ Check clock setting and adjust
No blue
Operation/
Fault
Indicator
Momentary power failure
▶ Disconnect appliance supply, wait a few seconds
then reconnect.
Energy saving feature is activated
▶ Ask your installer to reset the blue light
Hot water
temperature
too low
Temperature set too low:
• Cylinder thermostat control
• Appliance hot water control (this feature is only
available if the optional integral diverter valve has
been fitted).
▶ Check setting and adjust
Air trapped in heating system
▶ Bleed radiators and re-pressurise the heating
system
Low system water pressure
▶ Re-pressurise the system, refer to page 18
Hot water
temperature
too high
Temperature set too high:
• Cylinder thermostat control
• Appliance hot water control (this feature is only
available if the optional integral diverter valve has
been fitted).
▶ Check setting and adjust
Table 6 Fault finding
To Next Page
Loading...
Need help?
General