Nibe F2120 - Page 26

May be due toDescriptionText in displayInfo, out-
door unit
Info, in-
door unit
Multiple alarms at the same timeTemporary error message from in-
verter, 3 times within 2 hours.
Inverter alarm type II111428
High voltage in to F2120.Phase voltage to inverter too high,
3 times within 2 hours or persist-
ently high for 1 hour.
Inverter alarm type II113430
- Low voltagePhase voltage to inverter too low,
below 180V, 3 times within 2 hours
or persistently low for 1 hour.
Inverter alarm type II115432
- Phase drop to F2120.
At least one compressor phase is
missing
One compressor phase has been
missing 3 times within 2 hours or
missing continuously for 1 hour.
Inverter alarm type II117434
Overcurrent protection tripped
(1x230V products).
High current to inverter 3 times
within 2 hours.
Inverter alarm type II119436
- Poor circulation in heating medi-
um circuit.
Inverter temporarily above max.
working temperature 3 times within
2 hours.
Inverter alarm type II121438
- Poor position of inverter against
cooling plate.
Too high current to inverterHigh current to inverter 3 times
within 2 hours.
Inverter alarm type II123440
- Poor circulation in heating medi-
um circuit.
Inverter temporarily above max.
working temperature 3 times within
2 hours.
Inverter alarm type II125442
- Poor position of inverter against
cooling plate.
- Interruption in voltage supply to
the inverter.
Temporary fault in inverter, 3 times
within 2 hours.
Inverter alarm type II127444
- Defective EMC board (TDI)
- Defective compressor
- Interruption in voltage supply to
the inverter.
One compressor phase has been
missing 3 times within 2 hours or
missing continuously for 1 hour.
Inverter alarm type II129446
- Unsuccessful start attempt
- Start fault, compressorCompressor has run at lower speed
than permitted 3 times within 2
hours.
Inverter alarm type II131448
- Low voltage
Voltage fault to F2120.Current from inverter to compressor
temporarily high, 3 times within 2
hours.
Inverter alarm type II135452
Problem with voltage in to F2120.Capacity from inverter temporarily
too high, 3 times within 2 hours.
Inverter alarm type II137454
Incoming voltage too low (1x230V
product).
Too low incoming voltage temper-
ature to F2120.
Inverter error139466
- Problem in cooling circuitIncorrect pressure setup during
compressor start between BP8 and
BP9
Failed start183500
- Defective pressure sensors
Low voltage, compressor limitCompressor has run at lower speed
than permitted 3 times within 2
hours.
Compr. speed too low185502
F2120Chapter 5 | Troubleshooting26