Nibe SPLIT ACVM270 - Page 44

E47 - Inverter A/F (Only AMS 10-8)
Does the fault remain when the
power supply unit is reset?
YES
NO
YES
Does the compressor function?
YES
Is the voltage betweenT26 and
T27 for 380 - 390 V DC ?
OK
Is IC2 damaged?
NO
Replace the inverter board.
NO
YES
NO
NIBE SPLIT ACVM270Chapter 5 | Troubleshooting44