Daikin AZQS100B8V1B Manual De Instalación página 11

Error code
U0 The stop valves are closed.
U2 ▪ There is a voltage imbalance.
▪ There is a missing phase in case of
three-phase power supply units. Note:
Operation will be impossible. Turn OFF
the power, recheck the wiring, and switch
two of the three electrical wires.
U4 or UF The inter-unit branch wiring is not correct.
UA The outdoor and indoor unit are
incompatible.
NOTICE
▪ The reversed phase protection detector of this product
only functions when
Consequently reversed
performed during normal operation of the product.
▪ The reversed phase protection detector is designed to
stop the product in the event of an abnormality when
the product is started up.
▪ Replace two of the three phases (L1, L2, and L3)
during reverse-phase protection abnormality.
AZQS100~140B8V1B + AZQS100~140B7Y1B
Split system air conditioners
4P385528-1C – 2016.10
Possible cause
the product starts up.
phase detection is not
5 Commissioning
Installation manual
11