Nibe F2040-12, Installer Manual

Page: 53 / 84

May be due to Description Alarm text on the dis-
play Alarm
■ Cold weather conditions
■
Sensor fault
Temperature of BT28 below the value that
permits operation Cold outdoor air 271
■
Warm weather conditions
■ Sensor fault
Temperature of BT28 above the value that
permits operation Hot outdoor air 272
■
Open circuit or short circuit on sensor
input
■
Sensor does not work (see section "Dis-
turbances in comfort")
■
Defective control board in F2040
Sensor fault, heat exchanger in
F2040(Tho-R). Sensor fault Tho-R 277
■
Open circuit or short circuit on sensor
input
■
Sensor does not work (see section "Dis-
turbances in comfort")
■
Defective control board in F2040
Sensor fault, outdoor temperature sensor
in F2040 (Tho-A). Sensor fault Tho-A 278
■
Open circuit or short circuit on sensor
input
■ Sensor does not work (see section "Dis-
turbances in comfort")
■
Defective control board in F2040
Sensor fault, hot gas in F2040 (Tho-D). Sensor fault Tho-D 279
■
Open circuit or short circuit on sensor
input
■
Sensor does not work (see section "Dis-
turbances in comfort")
■
Defective control board in F2040
Sensor fault, suction gas in F2040 (Tho-S). Sensor fault Tho-S 280
■ Open circuit or short circuit on sensor
input
■
Sensor does not work (see section "Dis-
turbances in comfort")
■
Defective control board in F2040
■
Fault in the refrigerant circuit
Sensor fault, low pressure transmitter in
F2040. Sensor fault LPT 281
■
Outdoor module and indoor module
are not compatible. Heat pump and indoor module do not
work properly together due to technical
parameters. Non-compatible air/wa-
ter heat pump 294
Open circuit or short circuit on sensor in-
put Sensor fault, Sensor high pressure heat-
ing/low pressure cooling in F2040 (BP4). Sensor fault BP4 404
Sensor does not work (see section "Dis-
turbances in comfort")
Defective control board AA23 in F2040
53 Chapter 9 | Alarm list F2040