Issue
DC1100 / DC1400 Optimiser / Compensator Controller Alarm LED is illuminated.
Environment
- Stand alone discrete Controller in Alarm mode.
- DC1100 Optimiser / Compensator Controller.
- DC1400 Optimiser / Compensator Controller.
Cause
DC1100 / DC1400 Optimiser / Compensator Controller Alarm LED has been triggered by the occurrence of one of the following conditions:
- Sensor Input is short circuit or open circuit and / or out of range.
- Boiler Temperature at least 10 deg C above Boiler High Limit value.
- Boiler Temperature below Boiler Low value after one hour.
- Compensated Flow Temperature below Flow Low value after one hour.
Resolution
DC1100 / DC1400 Optimiser / Compensator Controller Alarms may be viewed and / or cleared using the following procedures.
VIEW ALARMS
DC1100 / DC1400 Optimiser / Compensator Controller Alarms may be viewed as follows :-
- Turn Front Panel Selector to SET
- Using Up and Down Arrow Keys move Screen Display Arrows to SYSTEMS MENU
- Using Up and Down Arrow Keys move Screen Display Arrows to TEMPS & ALARMS
- Using Up and Down Arrow Keys move Screen Display Arrows to VIEW ALARMS
CLEAR ALARMS
DC1100 / DC1400 Optimiser / Compensator Controller Alarms may be cleared as follows :-
- Turn Front Panel Selector to SET
- Using Up and Down Arrow Keys move Screen Display Arrows to SYSTEMS MENU
- Using Up and Down Arrow Keys move Screen Display Arrows to TEMPS & ALARMS
- Using Up and Down Arrow Keys move Screen Display Arrows to CLEAR ALARMS
- Using Up and Down Arrow Keys Select Pass Number (0112) and ENTER
In the event that an Alarm is not cleared by the above procedure and the Alarm LED does not extinguish then the Sensors and / or installation in general should be checked further.
DC1100 Optimiser / Compensator Controller overview may be viewed here
DC1100 Optimiser / Compensator Controller details and menus may be viewed here
DC1400 Optimiser / Compensator Controller overview may be viewed here
DC1400 Optimiser / Compensator Controller details and menus may be viewed here
