Midea Aqua thermal Super Series User Manual

Aqua thermal Super
49
Part 4 – Diagnosis and Troubleshooting
4 Check Code Table
4.1 Unit
No.
Code
Content
Recovery condition
1
E0
Main control Model setting error
(Other Model Main control EPROM error)
The capability selection is inconsistent with
the actual model, power on again after setting
correctly
2
E1
Phase sequence error of main control board check
Automatic recovery after the fault is rectified
3
E2
Communication failure between master and the
HMI or master and salve
Automatic recovery after the fault is rectified
2E2: Communication failure between main board
and slave board
Automatic recovery after the fault is rectified
4
E3
Total water outlet temperature sensor failure
(main unit valid)
Automatic recovery after the fault is rectified
5
E4
Unit water outlet temperature sensor failure
Automatic recovery after the fault is rectified
6
E5
1E5 condenser tube temperature sensor T3A
failure
Automatic recovery after the fault is rectified
2E5 condenser tube temperature sensor T3B
failure
Automatic recovery after the fault is rectified
7
E6
Water tank temperature sensor T5 failure
Automatic recovery after the fault is rectified
8
E7
Ambient temperature sensor failure
Automatic recovery after the fault is rectified
9
E8
Power supply phase sequence protector output
error
Automatic recovery after the fault is rectified
10
E9
Water flow detection failure
Failure locking for 3 times in 60 minutes
(Recovered by power off or Wired controller
clear fault)
11
Eb
1Eb-->Taf1 DHW water pipe antifreeze protection
sensor failure
Automatic recovery after the fault is rectified
2Eb-->Taf2 cooling evaporator low-temperature
antifreeze protection sensor failure
Automatic recovery after the fault is rectified
12
EC
Slave unit module reduction
Automatic recovery after the fault is rectified
13
Ed
system discharge temperature sensor failure
Automatic recovery after the fault is rectified
14
EE
1EE EVI plate heat exchanger refrigerant
temperature T6A sensor failure
Automatic recovery after the fault is rectified
2EE EVI plate heat exchanger refrigerant
temperature T6B sensor failure
Automatic recovery after the fault is rectified
15
EF
Unit water return temperature sensor failure
Automatic recovery after the fault is rectified
16
EP
Discharge sensor failure alarm
Automatic recovery after the fault is rectified
17
EU
Tz sensor failure
Automatic recovery after the fault is rectified
18
P0
P0 System high-pressure protection or discharge
temperature protection
for 3 times in 60 minutes
(Recovered by power off)
1P0 Compressor module 1 high pressure
protection
Automatic recovery after the fault is rectified
2P0 Compressor module 2 high pressure
protection
Automatic recovery after the fault is rectified
19
P1
System low pressure protection (or Severe
refrigerant leakage protection )
for 3 times in 60 minutes
(Recovered by power off)
20
P3
T4 ambient temperature too high in cooling mode
Automatic recovery after the fault is rectified
21
P4
1P4 System A current protection
for 3 times in 60 minutes
(Recovered by power off)
2P4 System A DC bus current protection
22
P5
1P5 System B current protection
for 3 times in 60 minutes
(Recovered by power off)
2P5 System B DC bus current protection
23
P6
Inverter module failure
Automatic recovery after the fault is rectified
24
P7
High temperature protection of system condenser
for 3 times in 60 minutes
(Recovered by power off)
25
P9
Water inlet and outlet temperature difference
protection
Automatic recovery after the fault is rectified
26
PA
Abnormal water inlet and outlet temperature
difference protection
Automatic recovery after the fault is rectified
27
Pb
Winter antifreeze protection
Reminder code, non-fault or protection
MBT Confidential

Midea Aqua thermal Super Series Specifications

General

Brand	Midea
Model	Aqua thermal Super Series
Category	Heat Pump
Language	English