Fault Conditions - Worcester Greenstar Danesmoor Utility Regular ErP+ 12/18 User Instructions

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.
Greenstar Danesmoor Utility ErP+ & Utility System ErP+ – 6 720 821 721 (2018/04)
1), 3)
D
B
A
2)
B A
A
Fault finding
C
B C
6720809783-03.1Wo
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