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269 (PLC: 40270)
HB:t_T4_FRESH_C
270 (P LC: 40271 )
LB:t_T4_FRESH_H
T_PUMPI_DELAY
271 (PLC: 40272)
EMISSION TYPE
272 (PLC: 40273)
7.1.3 Code table
Error
Value
code
E0
1
Water flow fault(E8 displayed 3 times)
E1
2
Phase loss or neutral wire and live wire are connected reversely(only for three phase unit)
E2
3
Communication fault between controller and hydraulic module
E3
4
Final outlet water temp. sensor(T1) fault
E4
5
Water tank temp. sensor(T5) fault
E5
6
The condenser outlet refrigerant temperature sensor(T3) fault
E6
7
The ambient temperature sensor(T4) fault
E7
8
Buffer tank up temp. sensor(Tbt1) fault
E8
9
Water flow failure
Suction temp. sensor (Th) fault
E9
10
EA
11
Discharge temp. sensor (Tp) fault
Eb
12
Solar temp. sensor(Tsolar) fault
Ec
13
Buffer tank low temp. sensor(Tbt2) fault
Ed
14
Inlet water temp. sensor(Tw_in) malfunction
EE
15
Hydraulic module EEprom failure
P0
20
Low pressure switch protection
P1
21
High pressure switch protection
P3
23
Compressor overcurrent protection
P4
24
High discharge temperature protection
P5
25
|Tw_out - Tw_in| value too big protection
P6
26
Inverter module protection
Pb
31
Anti-freeze mode
Pd
33
High temperature protection of refrigerant outlet temp. of condenser
PP
38
Tw_out - Tw_in unusual protection
Communication fault between main board PCB B and main control board of hydraulic module
H0
39
H1
40
Communication fault between inverter module PCB A and main control board PCB B
H2
41
Refrigerant liquid temp. sensor(T2) fault
H3
42
Refrigerant gas temp. sensor(T2B) fault
H4
43
Three times L0/L1 protection
H5
44
Room temo. sensor (Ta) fault
H6
45
DC fan motor fault
H7
46
Voltage protection
The type of power input limitation, 0=NON, 1~8=type 1~8, default:0
range:0.5~6 hour, setting interval:0.5 hour,
sending value=actural value*2
range:0.5~6 hour, setting interval:0.5 hour,
sending value=actural value*2
range:2~20 hour, setting interval:0.5 hour,
sending value=actural value*2:
Bit12-15: The type of zone 2 end for cooling mode
Bit8-11: The type of zone 1 end for cooling mode
Bit4-7: The type of zone 2 end for heating mode
Bit0-3: The type of zone 1 end for heating mode
Content
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