Nortek V5BV-36WMAK, Руководство пользователя

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DC Inverter Multi VRF System
31
7 Error Indication
Inquiry method of error indication: combine division symbol and content symbol to check the
corresponding error.
For example, division symbol L and content symbol 4 (L4) means over-current protection.
Content
symbol
Division
symbol
0 1 2 3 4 5
Indoor
L
Malfunction of
IDU (uniform)
Protection of
indoor fan
Auxiliary
heating
protection
Water-full
protection
Over-curren
t protection
Freeze
prevention
protection
d
Indoor PCB
is poor
Malfunction
of ambient
temperature
sensor
Malfunction
of
entry-tube
temperature
sensor
Malfunction
of middle
temperature
sensor
Outdoor
E
Malfunction of
ODU (uniform)
High-pressur
e protection
Discharge
low-temperatur
e protection
Low-pressur
e protection
High
discharge
temperature
protection
of
compressor
F
Main board of
ODU is poor
Malfunction
of
high-pressur
e sensor
Malfunction
of
low-pressure
sensor
Malfunction
of discharge
temperature
sensor of
compressor
1
J
Over-current
protection of
compressor 1
b
Malfunction
of outdoor
ambient
temperature
sensor
Malfunction of
defrosting
temperature
sensor 1
Malfunction
of liquid
temperature
sensor of
sub-cooler
Malfunction
of gas
temperature
sensor of
sub-cooler
P
Malfunction of
driving board
of compressor
(uniform)
Driving board
of
compressor
operates
abnormally
(uniform)
Voltage
protection of
driving board
power of
compressor
(uniform)
Reset
protection of
driving
module of
compressor
Drive PFC
protection
of
compressor
Over-curren
t protection
of inverter
compressor
Debuggin
g
U
Preheat time of
compressor is
insufficient
Wrong setting
of ODU’s
capacity
code/jumper
cap
Wrong
address for
driving
board of
compressor
C
Communicatio
n malfunction
between IDU,
ODU and
IDU’s wired
controller
Communication
malfunction
between main
control and
inverter
compressor
driver
Malfunction
of lack of
IDU
Alarm
because
project code
of IDU is
inconsistent