IntesisBox
®
BACnet
– RAC, FD, KX6 and KXR6 (VRF) series
User Manual r1.0 eng
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11
Error codes
Below you can find a list of error codes from Mitsubishi Heavy Industries air conditioning system.
ErrorCode Error CodeM Error in RC Error Description
0
01
N/A
No active error
-1
02
Com Err.
Comm Error between MH-RC-BAC-1 and MHI Indoor Unit
1
03
E1
Remote controller communication error
2
04
E2
Duplicated indoor unit address
3
05
E3
Outdoor unit signal line error
5
07
E5
Communication error during operation
6
08
E6
Indoor heat exchanger temperature thermistor anomaly
7
09
E7
Indoor return air temperature thermistor anomaly
8
10
E8
Heating overload operation
9
11
E9
Drain trouble
10
12
E10
Excessive number of indoor units (more than 17) by controlling one
remote controller
12
14
E12
Address setting error by mixed setting method
14
16
E14
Communication error between master and slave indoor units
16
18
E16
Indoor fan motor anomaly
19
21
E19
Indoor unit operation check, drain motor check setting error
28
30
E28
Remote controller temperature thermistor anomaly
30
32
E30
Unmatched connection of indoor and outdoor unit
31
33
E31
Duplicated outdoor unit address No.
32
34
E32
Open L3 Phase on power supply at primary side
33
35
E33
Inverter primary current error
35
37
E35
Cooling overload operation
36
38
E36
Discharge pipe temperature error
37
39
E37
Outdoor heat exchanger temperature thermistor anomaly
38
40
E38
Outdoor/Ambient air temperature thermistor anomaly
39
41
E39
Discharge pipe temperature thermistor anomaly
40
42
E40
High pressure error
41
43
E41
Power transistor overheat
42
44
E42
Current cut
43
45
E43
Excessive number of indoor units connected, excessive total capacity
of connection
45
47
E45
Communication error between inverter PCB and outdoor control PCB
46
48
E46
Mixed address setting methods coexistent in same network
47
49
E47
Inverter over-current error
48
50
E48
Outdoor DC fan motor anomaly
49
51
E49
Low pressure anomaly
51
53
E51
Inverter anomaly
