STARTING THE APPLIANCE
Screen display:
All possible screen symbols are displayed
briefly during start up. Extended diagnostic
features have rendered the greyed out symbols
not required for the operation of this appliance.
1 Central heating symbol
Displays this symbol during CH demand.
2 Hot water symbol
Displays this symbol during DHW demand
(DHW flow rate > 2ltr per minute) and tank
reheat.
3 Weather Compensation active symbol
Displays this symbol only if a Weather
Compensation sensor has been fitted to the
appliance and is active.
4 Alert symbol
Displays with the boiler status code and
diagnostic code during a fault condition.
5 Service mode symbol
Displays when in the service menu.
6 Centigrade symbol
Displays next to the temperature reading.
7 Confirmation symbol
This symbol confirms a manual change.
8 Alpha/Numerical display
Displays a temperature or boiler status code.
9 Text display
Displays ECO or diagnostic code.
Status codes:
During normal operation various
status codes can be displayed
by pressing the service button.
The first screen of the information menu
displays the current status code, this will
change as the boiler runs through the various
modes and sequences.
These are not faults, but provide information
concerning the current status.
1
2
6
9
45
7
8
Status
Code
200 CH active The Central Heating system is being heated.
201 DHW active The Domestic Hot Water is being heated/tank is being heated.
202
CH Anti rapid-cycle
mode
Time delay to prevent rapid-cycling of the boiler on the room
thermostat.
203 System stand-by The boiler has no demands.
204 System waiting Primary flow temperature is above set point.
270 Power up mode
The boiler is ON, warming up and running self check routines.
This lasts approximately 35 seconds.
358 Three way valve
anti-seize
Anti-seize operation. If the diverter valve has not moved in 24
hours, the valve is operated to prevent seizing, duration
approximately 10 seconds.
3
STARTING THE APPLIANCE
INSTALLATION & SERVICING INSTRUCTIONS FOR GREENSTAR HEATSLAVE II EXTERNAL 12/18-18/25-25/32
6 720 805 210-01
40
COMMISSIONING
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