14
Malfunction or failure
Greenstar Ri
ErP +
- 6 720 821 669 (2018/06)
6.1 Fault finding
Problem Cause Remedy
Operation/fault light
(blue) flashing
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 set too low
▶ Increase central heating flow temperature
control setting
Low temperature setting on the room thermostat
▶ Increase settings on room thermostat
Radiators are too
hot
Temperature control for central heating flow 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.
Desired room
temperature is too
high
Thermostatic radiator valve(s) are set too high ▶ Turn down thermostatic radiator valves/room
thermostat
Room thermostat is set too high
▶Turn down room thermostat.
Heating stays on for
too long
Clock is incorrectly set ▶ Check setting and adjust
No blue Operation/
Fault Indicator
Momentary power failure ▶ Disconnect appliance supply, wait a few seconds
then reconnect.
Hot water
temperature too low
Temperature set too low on cylinder thermostat
control.
▶ Check setting and adjust
Hot water
temperature too
high
Temperature set too high on cylinder thermostat
control.
▶ Check setting and adjust
Table 4 Fault finding