Data Sheet for Product

15
Building Technologies
CE2N5323_en--_b
2018-01-23
Indication of errors
Description of error
Measures/notes
Flow sensor short circuit Check the temperature
sensor and wires for
mechanical damage
Exchange the device
Return sensor is broker Check the temperature
sensor and wires for
mechanical damage
Exchange the device
Return sensor short circuit Check the temperature
sensor and wires for
mechanical damage
Exchange the device
Operating state display
Display
Description
Measures/notes
Exceeds communications
credit IrDA
Eliminated after credit period
expires (Irda = current
month).
Operating time has expired Device must be replaced or
exchange the battery.
Comply with all national and country-specific regulations!
Flow direction incorrect Check installation (note
arrow on the flow sensor)
Check piping
Check circulating pumps and
thermostats for proper
operation
Temperature sensors are
switched around or
incorrectly mounted
Check whether the flow
sensor was mounted in the
correct line or check the
installation type for the
temperature sensor
Status display
Display
Description
The displayed data applies to:
Heat = Wärme Imp1 = Pulse input 1
Cool = Kälte Imp2 = Pulse 2
(empty) = Displayed value is the current value
M (Memory) = Value at a monthly or due date
Displayed value is date:
Day = Current date
M-Day = Date applies to saved yearly or monthly value