Malfunction display of outdoor unit’s DSP1
5. MALFUNCTION
Table.5-1
5
Owner's manual
If the problem still exists, please contact the sales distributor or the service center, tell us your model No. and the detail of the error.
1
2
3
11
12
13
14
15
16
19
20
E0
E1
E2
xH0
H1
H2
H3
xH4
H5
H9
21
P1
P2
17
18
P0
25
26
27
28
29
30
31
32
35
P4
P5
xP6
P9
xL0
36
37
xP3
33
34
No.
Error code
Error or protection type
Note
Only display in slave unit
Outdoor unit COMM.Error
Phase protection
COMM.Error with indoor unit
H6
H7
38
39
40
41
H8
Twenty minutes after the first power on or indoor
and outdoor communication break off after 2
minutes when the unit has been running for 20 minutes
COMM. Error between IR341 and main chip
Only main unit will display
Qty.of outdoor unit increases error
Only main unit will display
unrecoverable module protection outage(P6)
Three times the P2 protection in 60 minutes
Not recoverable until re-power on
Three times the P4 protection in 100 minutes
Not recoverable until re-power on
Qty.of indoor units decreases error
Indoor unit lost for over 3 minutes; not recoverable,
until the unit qty. recovers
High-pressure sensor error
Air discharging pressure Pc≤0.3MPa
Three times the P9 protection in 60 minutes
Not recoverable until re-power on
F0
23
Three times the PP protection in 150 minutes
Not recoverable until re-power on
C7
24
Three times the PL protection in 100 minutes
Not recoverable until re-power on
Hc
22
Auxiliary unit error（y=1,2, 3.e.g,1Hd stands for auxiliary
unit1 error）
Y represents a unit which is not No. 0
yHd
Inverter compressor top Temp.protection
High-pressure protection
Low-pressure protection
Compressor current protection
Discharge Temp.Protection
High condenser Temp.protection
Inverter module protection
X represents for a system, 1 is A system, 2 is B system;
reports H4 if P6 protection is activated three times
60 minutes
DC fan protection
DC compressor module error
X represents the system, 1 is A system, 2 is B system
xL1
DC bus low-pressure protection
xL2
DC bus high-pressure protection
xL3
Reserve
MCE error/synchronization/closed loop
xL4
Zero-speed protection
xL5
xL6
xL7
xL8
xL9
Reserve
Phase-error protection
Protection of the speed change between a moment
before and after is
＞15Hz
Protection of the speed change between the setting
speed and the actual speed
＞15Hz
42
43
44
COMM. Error between 0537 and main chip
Qty.of outdoor unit decreases error
Reports H5 after P2 protection is activated three times 60 minutes
Reports H6 after P6 protection is activated three times 100 minutes
Reports H9 if P9 protection is activated three times in 60 minutes
PL
Inverter module Temp.sensor error
Reports C7 if PL protection is activated in 100 minutes.
PP
Protection at an insufficient degree against superheating
compressor discharge
Reports F0 if PP protection is activated in 150 minutes
X represents for a system, 1 is A system, 2 is B
system, not recoverable until re-power on
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
X represents the system, 1 is A system, 2 is B system
4
5
6
7
8
9
10
E3
E4
E5
E7
E8
xE9
E6
Reserve
Outdoor temp. sensor error
Voltage protection
Reserve
Discharge temp.sensor error
Outdoor unit address error
Mismatching the drive model
X represents for a system, 1 is A system, 2 is B system
X represents for a system, 1 is A system, 2 is B system
Reserve
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