11
Fault finding
Greenstar Danesmoor Utility
ErP+
& Utility System
ErP+
– 6 720 821 721 (2018/04)
7.1
Fault conditions
Normal operation
1.
Lockout indicator/reset button light [A] OFF:
▶ The burner will cycle on and off under the control of the
programmer/timer and the thermostats.
Lockout indicator light
2.
Lockout indicator/reset button light [A] ON,
boiler not firing:
▶ Check the oil level in the oil storage tank.
▶ Press the reset button [A]. The boiler should fire.
▶ If no response, wait 2 minutes - press the reset button [A]
again.
▶ If the lockout indicator/reset button light [A] stays on, do
not attempt further resets. Contact your service engineer
for advice.
3.
Lockout indicator/reset button light [A] OFF,
boiler not ON, no heating/hot water
▶ Ensure there is a power supply to the boiler.
▶ Check the programmer is set to ON for heating.
▶ Check the setting of the room thermostat, boiler
temperature control/tank thermostat.
▶ Press reset buttons [B and C].
▶ If the demand light stays off contact your service engineer
for advice.
To access the reset buttons
▶ Pull front panel off boiler to release ball stud connections.
▶ Reset buttons and lockout indicator positions shown
opposite.
▶ To replace front panel, locate ball studs in their connectors
and push. Apply pressure to the edges of the panel only to
avoid possible damage.
D
1), 3)
2)
C
B
B
A
6720809783-03.1Wo
A
B C
B
A
