EBECO AHT-Therm 800 Manuel page 36

Fault tracing
Message
DISRUPTION ON SENSOR A
DISRUPTION ON SENSOR B
SHORT CIRCUIT ON SENSOR A
SHORT CIRCUIT ON SENSOR B
DATE/TIME [setting blinks]
SET : LANGUAGE – DATE/ TIME –
OPERATION MODE – SENSOR
EXCESS TEMP ALARM [blinking
display]
SUB TEMP ALARM [blinking display]
OVER HEATING
PROTECTION ACTIVE
34
Cause
The sensor installed on terminal blocks 5 and 6 is not
correctly connected or is damaged.
The sensor installed on terminal blocks 7 and 8 is not
correctly connected or is damaged.
The sensor installed on terminal blocks 5 and 6 is not
correctly connected or is damaged.
The sensor installed on terminal blocks 7 and 8 is not
correctly connected or is damaged.
If the thermostat has been without electrical supply for 50
hours, the reserve supply has run out. This means that the
processor that runs the clock has stopped and that the date
and time must be reinstalled. All other settings are still saved
in the memory.
Set the date and time, and the thermostat will operate
normally again.
If you have forgotten to make a setting in the start up menu,
you must go back in the menu and make the setting before
you can exit start up mode.
Means that the current value has exceeded the set alarm
temperature. The thermostat switches of the load but
otherwise works as usual until the current value sinks below
the set alarm temperature or the alarm temperature is set
above the current value.
Means that the current value has fallen below the set alarm
temperature. The thermostat breaks the load but otherwise
works as usual until the current value rises above the set
alarm temperature or the alarm temperature is set below
the current value.
If the text is shown in the display mode, this means that the
current value in the floor has exceeded the set temperature
for the over heating protection. The thermostat switches of
the load but otherwise works as usual until the current
value sinks below the set alarm temperature or the alarm
temperature is set above the current value.