mundoclima 2022 Manuel page 107

MUENR-H9
SERIES:
UNITS: MUENR-H9T
(CL25635 to CL25638)
Error code list (continuation)
No. Code
Inverter module temperature too high
38 PL
temperature protection (Tf1 / Tf2)
xPU DC fan module protection
40
Voltage too high or too low
H5
46
50 xH9 Compressor inverter module is not matched
xHE Not insert electronic expansion valve error
55
xF0 IPM module communication failure
61
63
F2 Superheat insufficient
65
xF4 L0 or L1 protection occurs 3 times in 60 minutes
DC bus voltage error (PTC)
67 xF6
68 Not insert electronic expansion valve
F7
Inverter module temperature sensor error
xF9
70
Pressure sensor error
Fb
72
Suction temperatrue sensor error
Fd
74
76 xFF
DC fan failure
DIP inconsistency of multiple water pumps
FP
79
88 C7
If PL occurs 3 times,the system reports the C7 failure
L0 Compressor inverter module protection
101
L1
102
DC bus low voltage protection
103 L2 DC bus high voltage protection
105 MCE error
L4
Zero speed protection
106 L5
108
L7 Phase sequence lost protection
109 L8
Compressor frequency change over 15Hz
110
Compressor frequency difference 15Hz
L9
146
dF Defrosting prompt
(CL25635 to CL25638)
Content
TROUBLESHOOTING
Occurs 3 times in 100 minutes and
the error can be recovered by
turning off the power supply only
x=1 means Fan A,x=2 means Fan B
Recovered upon error recovery
Recovered by power off
x=1 means compressor A,
x=2 means compressor B
x=1 means valve A,
x=2 means valve B
x=1 means system A,
x=2 means system B
Occurs 3 times in 240 minutes and
the error can be recovered by
turning off the power supply only
x=1 means system A,
x=2 means system B
x=1 means system A,
x=2 means system B
Recovered by power off
x=1 means Tfin1,
x=2 means Tfin2
Recovered upon error recovery
Recovered upon error recovery
x=1 means fan A,
x=2 means fan B
Recovered by power off
Recovered by power off
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Flash when entering the defrosting
107
EN
Note