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Sensor
Temperature sensor type
Sensor cable length
Temperature range
(*) not included in the box
Approval
CE
6. TROUBLESHOOTING
Alarm and error codes:
Error
Warning
code
message
BOILER SENSOR
E:2.1
NOT CONNECTED
BOILER SENSOR
E:2.2
SHORT
[SENSOR 1]
E:2.3
PIPE SENSOR
NOT CONNECTED
[SENSOR 1]
E:2.4
PIPE SENSOR
SHORT
[SENSOR 2] PIPE
E:2.5
SENSOR NOT
CONNECTED
[SENSOR 2] PIPE
E:2.6
SENSOR SHORT
[SENSOR 1]
E:3.1
PIPE TEMP HIGH
Sensor included
in the box
NTC
3 m
0°C to +90°C
EMC: EN 61000-6-3, EN 61000-6-2
Problem causes
Sensor not connected
or broken
Sensor short
Sensor not connected
or broken
Sensor short
Sensor not connected
or broken
Sensor short
Water pipe
temperature
too high
Will pop up if
temperature sensor
is higher than the
maximum exposure
temperature of the
HWAT cable: HWAT-M
(65°C), HWAT-R (85°C)
Water heater sensor
failure. Sensor has not
been installed. Sensor
or sensor cable defect
(only when water
heater sensor "On" is
selected)
NTC-SENSOR-10M (*)
NTC 2 KOhm/ 25°C, 2 wire
10 m
–40°C to +90°C
Corrective actions
Connect external module sensor
to Elexant controller. Check
sensor connections. Verify
sensor resistance value.
(see page 46) Replace sensor
if defective.
See E:2.1
See E:2.1
See E:2.1
See E:2.1
See E:2.1
Check sensor and boiler
temperature
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