Rectify interference
6 720 643 196 (2010/02)
12
8.
B
Check the temp. setting.
B
Check set point value on T1.
Is it higher than 65 °C?
yes:
B
Adjust the temperature setting.
Does the error message recur?
Æ
9
no:
Æ
5
9.
B
Go to temperatures and check the
value on T2.
B
Use a digital thermometer and meas-
ure at the T2 sensor.
Do the values correspond?
yes:
Æ
10
no:
B
Check the cable to T2, it must not be together
with the power cable.
B
Replace the sensor if necessary.
Does the error message recur?
Æ
10
10.
Is the room sensor connected?
yes:
Æ
11
no:
Æ
13
11.
B
Go to temperatures and check the
value on T5.
B
Use a digital thermometer and meas-
ure at the T5 sensor.
Do the values correspond?
yes:
Æ
12
no:
B
Replace sensor.
Does the error message recur?
Æ
13
12.
B
Check the settings of the room sensor.
Does the room sensor have a high effect
or set point value?
yes:
B
Adjust to the permitted values.
Does the error message recur?
Æ
13
no:
Æ
13
13.
Logic error.
B
Replace control board.
Does the error message recur?
B
Replace I/O card.
Description: The set value in Max limit heating system tempe2K.
Check
Action
Tab. 5
6 720 643 196-04.1I
Summary of Contents for X Series
Page 1: ...Fault tracing tree X11 X15 6 720 619 265 18 1I 6 720 643 196 2010 02 ...
Page 26: ...6 720 643 196 2010 02 26 Notes ...
Page 27: ...6 720 643 196 2010 02 27 ...
Page 28: ......