Actions with operating disturbances
41
For the Installer
FIGHTER 1220
Alarm indications on the display
Hotwater sensor
This information is shown when a fault on the hot
water temperature sensor has been registered.
FIGHTER 1220 is force-run solely for hot water
charging and automatic mode is engaged. The alarm
may be due to a faulty sensors or broken sensor
cable.
HOTWATER SENSOR
1.0
-- ALARM FLOW--
1.0
Alarm Flow
■ High flow temperature 1.
■ High flow temperature 2 (extra shunt group,
accessory).
■ High return temperature.
The following alarm stops the compressor and brine
pump and can be acknowledged by switching off and
switching on the heat pump after the fault has been
rectified:
■ Temperature sensor damaged/missing.
The following alarms are automatically reset when the
temperature has increased/reduced by 2 °C
If the operating disturbance cannot be rectified by means of the above an installation
engineer should be called.
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