Daikin VRVII - Page 50

Troubleshooting by Remote Controller
45
U1 - 01 Reverse phase/open phase
for power supply (Master)
Refer to the “U1” flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
U1 - 04 Reverse phase for power
supply [with power supply
turned ON] (Master)
U1 - 05 Reverse phase/open phase
for power supply (Slave 1)
U1 - 06 Reverse phase for power
supply [with power supply
turned ON] (Slave 1)
U1 - 07 Reverse phase/open phase
for power supply (Slave 2)
U1 - 08 Reverse phase for power
supply [with power supply
turned ON] (Slave 2)
Error
code
Troubleshooting
Description of error Description of diagnosis