May be due toDescriptionAlarm text on
the display
Alarm
- Open-circuit or short-circuit on sensor inputThe input for the sensor receives unreasonably
high or low value 3 times within 40 minutes
Sensor fault Tho-
S
280
- Sensor does not work (see "Temperature
sensor" section)
- Defective control board in AMS 10
Also see the troubleshooting guide on page 59
- Open-circuit or short-circuit on sensor inputThe input for the sensor receives unreasonably
high or low value 3 times within 40 minutes
Sensor fault LPT281
- Sensor does not work (see "Temperature
sensor" section)
- Defective control board in AMS 10
- Fault in the refrigerant circuit
Also see the troubleshooting guide on page 59
45Chapter 6 | TroubleshootingNIBE AMS10