mundoclima 2022 Manuel page 92

SERIES:
OUTDOOR UNIT MAXI MVD V5X (2 pipes)
MVD-V5X252W/V2GN1
UNITS:
MVD-V5X280W/V2GN1
MVD-V5X335W/V2GN1
MVD-V5X400W/V2GN1
MVD-V5X450W/V2GN1
Error
Content
code
E0 Communication error between outdoor units
E1 Phase sequence error
E2 Communication error between indoor units and the master unit.
E3 Reserved
E4 Malfunction of outdoor ambient temperature sensor (T4)
E5 Malfunction of power supply voltage
E6 Reserved
E7 Malfunction of discharge temperature sensor
E8 Faulty outdoor unit address
xE9 Driver model is mismatched
Malfunction of communication between main control chip and inverter
xH0
driver chip
Malfunction of communication between main control chip and
H1
communication chip
H2 Outdoor unit quantity is decreased
H3 Outdoor unit quantity is increased
xH4 Inverter module protection
H5 P2 protection appears three times in 60 minutes
H6 P4 protection appears three times in 100 minutes
H7 Faulty indoor units quantity
H8 Malfunction of pressure sensor for discharge pipe
H9 P9 protection appears three times in 60 minutes
Hc Reserved
F0 PP protection appears three times in 150 minutes
C7 PL protection appears three times in 100 minutes
yHd Slave units malfunction
P0 Temperature protection of inverter compressor
P1 High pressure protection
P2 Low pressure protection
xP3 Over current protection of compressor
P4 Discharge temperature protection
P5 Condenser high temperature protection
P9 Fan module protection
PL Temperature protection of inverter module
PP Insufficient overheat degree protection of compressor discharge
xL0 Inverter module error
xL1 DC generatrix low voltage error
xL2 DC generatrix high voltage error
xL3 Reserved
xL4 MCE error/ synchronization/ closed loop
xL5 Zero speed protection
xL6 Reserved
xL7 Phase sequence error
xL8 Frequency difference in one second more than 15Hz protection
Frequency difference between the real and the setting frequency more
xL9
than 15Hz protection
r1 Refrigerant amount is slightly insufficient
r2 Refrigerant amount is significantly insufficient
r3 Refrigerant amount is critically insufficient
R1 Refrigerant amount is slightly excessive
R2 Refrigerant amount is critically excessive
(CL23300 to CL23307)
(CL23300) MVD-V5X500W/V2GN1
(CL23301) MVD-V5X560W/V2GN1
(CL23302)
MVD-V5X615W/V2GN1
(CL23303)
OUT. UNIT MUCHR-H6A
(CL23304) OUT. UNIT MUCHR-H8A
92
TROUBLESHOOTING
(CL23305)
(CL23306)
(CL23307)
(CL23907 to CL23910)
(CL23920 to CL23923)
Note
Only display on the faulty slave unit
Display on the faulty unit
Only display on the master unit
/
Display on the faulty unit
Display on the faulty unit
/
Display on the faulty unit
Display on the faulty unit
When x is 1, it means A system; 2 means B
system
Display on the faulty unit
Display on the faulty unit
Only display on the master unit
Only display on the master unit
Display on the faulty unit
Cannot be recovered until re-power on
Display on the faulty unit
Cannot be recovered until re-power on
Display on the faulty unit
Cannot be recovered until re-power on
Display on the master unit
Cannot be recovered until unit quantity
recover
The discharge
(43.5PSI)
Display on the faulty unit
Cannot be recovered until re-power on
/
Display on the faulty unit
Cannot be recovered until re-power on
Display on the faulty unit
Cannot be recovered until re-power on
Y stands for corresponding slave unit, y=1,
2, 3.
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
Display on the faulty unit
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EN
pressure