Fault Conditions 12/18 And 18/25 Models - Worcester Greenstar Heatslave 12/18kW User Instructions & Customer Care Manual

(1) NORMAL OPERATION:
(2) BOTH LIGHTS ON:
H
H
G
(3) POWER ON LIGHT ON LOCKOUT LIGHT OFF:
(5) ACCESSING RESET BUTTONS:
12
OPERATING THE APPLIANCE
G J
G J
H J
G
H
G
H
H
G
OPERATING THE APPLIANCE
FAULT CONDITIONS: 12/18 AND 18/25
MODELS
The Power on and Lockout lights can indicate
some basic fault conditions.
(1) Normal operation:
Light ON
Mains power supply to boiler.
(2) Both lights on:
Boiler not firing
Check the level in the oil tank.
Remove the front white panel on the
appliance (see E below) and press the
Reset button (G). The boiler should fire.
If there is no response, wait 2 minutes and
press the Reset Button (G) again.
If Lockout light stays on, do not attempt
further resets. Contact your service
engineer for advice.
(3) Power on light on, lockout light off:
Boiler not on -
No heating/hot water
Check the programmer is set to ON and
roomstat is calling for heat.
Press Reset Button (H), press Reset Button
(J) both are below the fascia, behind the
front white panel (see E below).
If the boiler remains off, contact your service
engineer for advice.
(4) Both lights off:
Boiler not on -
No heating/hot water
Ensure there is power supply to the boiler.
If there is power supply to the boiler contact
your service engineer for advice.
(5) Accessing Reset Buttons:
To access the Reset Buttons pull
J
J J
the bottom of the front white panel and lift to
remove.
GREENSTAR HEATSLAVE 12/18 - 18/25 - 25/32
8 716 106 253c (11.07)