Advertisement
Available languages
Available languages
4. MAINTENANCE
4.1 Confirmation before operating
1. Make sure if the ground wire is broken or fall off.
2. Make sure if a air strainer has been installed.
3. Start the power supply switch 12 hours before operating.
4.3 Error information and code
If the following situation happens, please stop the unit and cut off the power supply and contact with local customer service center.
Display
Code
Malfunction or Protection
Outdoor unit COMM.Error
1
E0
Phase protection
2
E1
3
E2
COMM.Error with indoor unit
Outdoor Temp. sensor error
E4
4
Voltage protecation
5
E5
E7
Discharge sensor error
6
7
E8
Outdoor unit address error
8
Wrong drive model
xE9
9
EA
5-min protection in A zone(heating fan)
xH0
COMM. Error between IR341 and main chip
10
11
COMM. Error between 0537 and main chip
H1
3 times of P6 protection in 60 munites
xH4
12
3 times of P2 protection in 60 munites
H5
13
H6
3 times of P4 protection in 100 munites
14
15
H7
Qty.of indoor units decreases error
16
H9
3 times of P9 protection in 60 minutes
Defrosting
dF
17
d0
18
Oil returning
High pressure protection or discharge
P1
19
temperature switch protection
P2
Low pressure protection
20
xP3
Compressor current protection
21
P4
High discharge Temp.Protection
22
P5
High condenser Temp.Protection
23
xP6
24
Inverter module protection
P9
25
DC fan protection
PE
26
Evaporator T2 high temp. protection
27
PL
The Temp.protection of inverter module
28
C7
3 times of PL protection in 90 minutes
29
xL0
DC compressor module error
30
xL1
DC bus low pressure protection
31
xL2
DC bus high voltage protection
32
xL4
MCE malfunction/simultaneously/cycle loop
33
xL5
Zero speed protection
34
xL7
Compressor wrong phase protection
Compressor speed difference in one
35
xL8
second more than 15rps
Compressor speed difference between setting
36
xL9
speed and running speed more than 15rps
If the problem still existing, please contact the sales distributor or the service center, tell us your model No. and the detail of the error.
4.2 NON-A/C errors
1. For common protections, please refer to indoor unit operation
manual.
2. For NON-A/C errors, please refer to indoor unit operation manual.
Remarks
In or after 20min,communication breaks 2 times for the first time to electrified
If discharge temp. is below 15
displays E7, when GAS is higher than 25 , it recovers
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B,
Not recoverable unitil re-power on
Not recoverable until re-power on
Not recoverable until re-power on
Indoor unit lost for over 3 munites; not recoverable,until the unit qty. recover
Not recoverable until re-power on
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
Not recoverable until re-power on
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
X represents in which system, 1 is system A, 2 is system B
28
Table 4-1
for 5 min after 10 minutes operating,
V.2
Advertisement
