11.2 Thermostat T-55 alarms/problems
UK English
An alarm is sent when more than 3 hours have elapsed since the controller received the last radio signal from the thermostat. The table below lists problems that can occur in Thermostat T-55. Indication
Causes
Solutions
LED flashes twice
Thermostat battery power is running low
Replace batteries
11.3 Thermostat T-54 Public alarms/problems An alarm is sent when more than 3 hours have elapsed since the controller received the last radio signal from the thermostat. The table below shows problems that can occur in Thermostat T-54 Public. Indication
Causes
Solutions
Power LED and channel LED flashes
Cover of thermostat is opened
Check thermostat settings and replace thermostat cover
LED flashes twice
Thermostat battery power is running low
Replace the batteries
11.4 Controller C-55/56 alarms/problems An alarm is sent when more than 3 hours have elapsed since the controller received the last radio signal from the thermostat. The table below shows problems that can occur in the Controller C-55/56. Indication
Causes
Solutions
Power LED and channel LEDs in the Controller C-55/56 flash
Antenna out of position or wire disconnected
Install antenna in correct position with wire correctly connected
Alarm in Interface I-75/76
Batteries in thermostat are discharged
Replace batteries When error is resolved, thermostat screen displays room temperature and battery icon is replaced with
Battery icon displayed in room information on Interface I-75/76 Radio alarm in Interface I-75/76
Thermostat is out of correct position
Radio icon in room information on Interface I-75/76
Reduce distance between thermostat and Controller C-55/56 or change location of thermostat in the room
Power LED and thermostat LED's in the Controller C-55/56 for connected channels flash
11.5 Contact installer For installer contact information, see the installation report in the fold-out of this document. Prepare the following information before contacting an installer: •
Installation report
•
Drawings of the underfloor heating system (if available)
•
List of all alarms, including time and date
U P O N O R C O N T R O L S Y S T E M – I N S TA L L AT I O N A N D O P E R AT I O N M A N U A L
45