
E27
Temperature sensor error (RefHi)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor open).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
E28
Temperature sensor error (RefHi)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor short circuit).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
E29
Temperature sensor error (Tup1)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor open).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
E30
Temperature sensor error (Tup1)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor short circuit).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
E31
Temperature sensor error (Tup2)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor open).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
E32
Temperature sensor error (Tup2)
Cause
Solution
a)
The sensor measures a temperature
outside the normal working range
(sensor short circuit).
●
Reset the error.
●
Replace the sensor.
●
Replace the control board.
33
Summary of Contents for Smartboiler Mono
Page 1: ...A Itho Daalderop Smartboiler Installation Use ...
Page 2: ...Translation of the original document ...
Page 37: ...37 ...