View Full Version : is there alternative sensor
_H2o_
18-05-2014, 09:44 PM
is there any alternative sensors for TK SL400 for return air ?
Alarm codes :
- 3
- 11
- 203
What sensors should i change TK missing turning off +/- 7*C what should i do ?
Thanx !
gravy258
19-05-2014, 09:48 AM
depends, a SL400e SR2 has control and display return air,
a SL400 doesn't.
Is the temperature on the screen (the return air) jumping around or is it dashes ( -----) ?
If its jumping around, clean the micro plugs with electrical parts cleaner. (just the two lower plugs).
If its dashes replace the sensor and enter the new grade into the micro.
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