May be due toDescriptionAlarm text on the displayAlarm
• Open circuit or short circuit on sensor
input
• Sensor does not work (see section "Dis-
turbances in comfort")
• Defective control board in AMS 10
Sensor fault, suction gas in AMS 10 (Tho-
S).
Sensor fault Tho-S280
• Open circuit or short circuit on sensor
input
• Sensor does not work (see section "Dis-
turbances in comfort")
• Defective control board in AMS 10
• Fault in the refrigerant circuit
Sensor fault, low pressure transmitter in
AMS 10.
Sensor fault LPT281
• Outdoor module and indoor module
(VVM) / control module (SMO) are not
compatible.
Heat pump and indoor module (VVM) /
control module (SMO) do not work properly
together due to technical parameters.
Non-compatible outdoor
air heat pump
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NIBE AMS 10Chapter 9 | Alarm list36