Malfunction display of main nuit’s DSP1
5. MALFUNCTION
Table.5-1
5
owner's manual
Low voltage protection of DC bus
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
19
20
E0
E1
E2
E8
E9
H0
H1
H2
H3
H4
H5
H6
P0
P1
P4
17
18
P2
P3
21
22
23
24
25
26
27
28
29
30
33
L0
L1
L2
L3
L4
L5
L6
34
35
L9
P6
31
32
L7
L8
No.
Error code Error or protection type Note
Only display in slave unit
Main unit COMM. error
Phase protection
COMM.error with indoor nuit
Main unit address error
Power protection
High pressure protection
Low pressure protection
COMM. error between DSP and main chip
Only display in master unit
Only display in master unit
COMM. error between 0537 and main chip
QTY.of main unit decrease
QTY.of main unit increase
3 times of P6 protection in 60 minutes
Inverter compressor top Temp.protection
Phase error protection
Compressor current protection
High discharge Temp. Protection
Inverter module protection
DC compressor module error
High voltage protection of DC bus
MCE error / synchronization / closed loop
Zero speed protection
The different value of previous moment minus the subsequent
moment >15Hz protection
The setting speed minus the actual speed>15 protection
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.
H7
H8
QTY.of indoor unit decrease or increase
High_pressure sensor error
36
37
38
39
3 times of P2 protection in 60 minutes
3 times of P4 protection in 100 minutes
Reserve
Reserve
TSC1 ( water outlet temp.sensor 1) error
C0
C1
C2
C3
C4
C5
C6
Water flow switch open fault
F0
TSJ (water inlet temp. sensor) error
C7
C8
TSC2 (water outlet temp.sensor 2) error
Low_pressure sensor error
High or low water outlet temp.
High or low water inlet temp.
Low voltage protection
High temp.of inverter module
3 times of C4 protection in 60 minutes
40
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