HMS Networks Intesis IN776MHI00XO000 User Manual page 39

Mitsubishi Heavy Industries VRF with KNX, Serial and IP support
Code in the wired
Error code
RC
47 E47
48 E48
49 E49
50 E50
51 E51
52 E52
53 E53
54 E54
55 E55
56 E56
65336 IH2
57 E57
58 E58
59 E59
60 E60
61 E61
62 E62
63 E63
65535 IH1
64 E64
65 E65
66 E66
67 E67
68 E68
70 E70
71 E71
72 E72
73 E73
74 E74
75 E75
79 E79
80 E80
81 E81
82 E82
83 E83
84 E84
85 E85
86 E86
87 E87
88 E88
89 E89
90 E90
M07
M09
NOTE
If you detect a non-listed error code, please contact Mitsubishi Heavy Industries technical support.
Page 36 of 36
Description
Inverter over-current error
Outdoor DC fan motor anomaly
Low pressure anomaly
Ice storage unit Error
Inverter anomaly
Water temp sensor disconnection
Suction pipe temperature thermistor anomaly
High/Low pressure sensor anomaly
Underneath temperature thermistor anomaly
Power transistor temperature thermistor anomaly
CAUTION. Bus power supply on critical level. Use an external power supply
or check switch configuration
Insufficient in refrigerant amount or detection of service valve closure
Anomalous compressor by loss of synchronism
Compressor startup failure
Rotor position detection failure / Anomalous compressor rotor lock
Communication error between the master unit and slave units
Outdoor unit address error
Emergency stop
Error in the communication of IACCC device with the AC unit
Coolant failure
System malfunction when PAC I/F is used
I/F address duplication
V-multi excess number of indoor unit
Communication error between V-multi - indoor unit
Communication error between CC1 - indoor unit
Communication error between NR- indoor unit
Communication error between CC2 - indoor unit
Communication error between CC3 - indoor unit
Address duplication for Network equipment
Communication circuit failure in network optional equipment
Commnication error between the SLQ board - indoor unit
Abnormal engine water temp
Abnormal oil pressure of engine
Too much revolution of engine
Too less revolution of engine
Engine start-up failure
Engine stop failure
Oil pressure sensor disconnection
Water temperature sensor disconnection
Engine oil failure
Other engine failure
Actuator failure
I/U overload alarm
Over-current of drain motor
Error Codes
USER MANUAL Version 1.2