Daikin VRVII Manual page 48

Troubleshooting by Remote Controller
Error
code
Description of error
L1 - 04 IGBT error (Master: Inverter
PCB)
L1 - 07 Instantaneous overcurrent
(Slave 1: Inverter PCB)
L1 - 08 Current sensor error (Slave
1: Inverter PCB)
L1 - 09 Current offset error (Slave 1:
Inverter PCB)
L1 - 10 IGBT error (Slave 1: Inverter
PCB)
L1 - 12 Instantaneous overcurrent
(Slave 2: Inverter PCB)
L1 - 13 Current sensor error (Slave
2: Inverter PCB)
L1 - 14 Current offset error (Slave 2:
Inverter PCB)
L1 - 15 IGBT error (Slave 2: Inverter
PCB)
L4 - 01 Radiation fin temperature
rise (Master: Inverter PCB)
L4 - 02 Radiation fin temperature
rise (Slave 1: Inverter PCB)
L4 - 03 Radiation fin temperature
rise (Slave 2: Inverter PCB)
L5 - 03 Current offset error (Master)
L5 - 05 Current offset error (Slave 1)
L5 - 07 Current offset error (Slave 2)
Troubleshooting
Description of diagnosis
The inverter PCB may be faulty
or a PCB other than the specified
one is mounted. Refer to the "L1"
flow chart of each manual and
make a diagnosis of the relevant
unit based on the Error code
shown to the left.
The inverter PCB may be faulty.
Refer to the "L1" flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
The inverter PCB may be faulty
or a PCB other than the specified
one is mounted.
Refer to the "L1" flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
The inverter PCB may be faulty.
Refer to the "L1" flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
The inverter PCB may be faulty
or a PCB other than the specified
one is mounted.
Refer to the "L1" flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
Refer to the "L4" flow chart of
each manual and make a
diagnosis of the relevant unit
based on the Error code shown
to the left.
Refer to the "L5" flow chart of each
manual and make a diagnosis of
the relevant unit based on the
Error code shown to the left.
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