DC Inverter Multi VRF System
3
0
Error
Code
Content
Error
Code
Content
P8
Drive IPM high temperature protection of
compressor
P9
Desynchronizing protection of inverter compressor
PH
High-voltage protection of compressor’s
drive DC bus bar
PC
Drive current detection circuit malfunction of
compressor
PL
Low-voltage protection of compressor’s
drive DC bus bar
PE
Phase-lacking of inverter compressor
PF
Drive charging circuit malfunction of
compressor
PJ
Failure startup of inverter compressor
PP
AC current protection of inverter compressor
H6
Drive IPM module protection of fan
H7
Malfunction of drive temperature sensor of
fan
H8
Drive IPM high temperature protection of fan
H9
Desynchronizing protection of inverter fan
HH
High-voltage protection of fan’s drive DC bus bar
HC
Drive current detection circuit malfunction of
fan
HL
Low-voltage protection of fan’s drive DC bus bar
HE
Phase-lacking of inverter fan
HF
Drive charging circuit malfunction of fan
HJ
Failure startup of inverter fan
HP
AC current protection of inverter fan
Outdoor
Error
Code
Content
Error
Code
Content
E0
Malfunction of ODU (uniform)
E1
High-pressure protection
E2
Discharge low-temperature protection
E3
Low-pressure protection
E4
High discharge temperature protection of
compressor
E5
High discharge temperature protection of
compressor 1
F0
Main board of ODU is poor
F1
Malfunction of high-pressure sensor
F3
Malfunction of low-pressure sensor
F5
Malfunction of discharge temperature sensor of
compressor 1
J1
Over-current protection of compressor 1
b1
Malfunction of outdoor ambient temperature sensor
b2
Malfunction of defrosting temperature
sensor 1
b4
Malfunction of liquid temperature sensor of
sub-cooler
b5
Malfunction of gas temperature sensor of
sub-cooler
P0
Malfunction of driving board of compressor (uniform)
P1
Driving board of compressor operates
abnormally (uniform)
P2
Voltage protection of driving board power of
compressor (uniform)
P3
Reset protection of driving module of
compressor
P4
Drive PFC protection of compressor
P5
Over-current protection of inverter
compressor
H0
Malfunction of driving board of fan (uniform)
H1
Driving board of fan operates abnormally
(uniform)
H2
Voltage protection of driving board power of fan
(uniform)
H3
Reset protection of driving module of fan
H4
Drive PFC protection of fan
H5
Over-current protection of inverter fan
—
—
Debugging
Error
Code
Content
Error
Code
Content
U0
Preheat time of compressor is insufficient
U2
Wrong setting of ODU’s capacity code/jumper cap
U4
Refrigerant-lacking protection
U5
Wrong address for driving board of compressor
U6
Alarm because valve is abnormal
U8
Short-circuit malfunction of IDU
U9
Malfunction of pipe-line for ODU
UC
Setting of main IDU is successful
UL
Wrong button-dial
UE
Charging of refrigerant is invalid
C0
Communication malfunction between IDU,
ODU and IDU’s wired controller
C2
Communication malfunction between main control
and inverter compressor driver
Содержание VEPS075N432K
Страница 1: ...DC Inverter Multi VRF System User Manual and keep it for further reference...
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Страница 14: ...DC Inverter Multi VRF System 8 4 2 Connection Pipe 4 2 1 Schematic Diagram of Piping Connection Fig 4...
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