Midea VRF V4 Plus I Series User Manual

MCAC-VTSM-2014-04 R410A DC Inverter V4 Plus 50Hz
Troubleshooting 93
4
E3
Reserve
5
E4
Outdoor Temp. sensor error
6
E5
Low-voltage power protection
7
E6
Reserve
8
E7
Discharge Temp. sensor error
Air discharge<15 degree, at the same time
pressure higher than 3.0MPa, then will alarm,
need to power off for recovery
9
E8
Reserve
10
H0
COMM. Error(IR341&MC9S08AC128)
11
H1
COMM. Error(0537&MC9S08AC128)
12
H4
3 times of P6 in 60 minutes
Not recoverable unit re-power on
13
H5
3 times of P2 protection in 60 minutes
Not recoverable unit re-power on
14
H6
3 times of P4 protection in 100 minutes
Not recoverable unit re-power on
15
H7
Qty. of indoor units can’t match
Indoor unit lost over 3 minutes; can not recover,
unit recover the unit Qty.
16
H8
High pressure sensor error
Air discharge pressure Pc<=0.3Mpa
17
H9
Reserve
Not recoverable unit re-power on
18
HC
Outdoor unit capacity setting error
19
P0
Inverter compressor top Temp. protection
20
P1
High pressure protection
21
P2
Low pressure protection
After 3 times P2 protection in 60 minutes will
report H5
22
P3
Inverter compressor current protection
23
P4
High discharge Temp. protection
After 3 times P4 protection in 100 minutes will
report H6
24
P5
High condenser Temp. protection
25
P6
Inverter module protection
26
XP7
No.X fixed compressor current protection
X stand for the fixed compressor No.
27
P8
Reserve
28
P9
Reserve
29
PP
Protection of insufficient in degree of superheat of
compressor discharging
30
F0
3 times of PP protection in 150 minutes
After 3 times P9 protection in 60 minutes will
report H9
31
L0
Compressor module protection
32
L1
DC bus low voltage protection
33
L2
DC bus high voltage protection
34
L3
Reserve

Midea VRF V4 Plus I Series Specifications

General

Brand	Midea
Model	VRF V4 Plus I Series
Category	Air Conditioner
Language	English