mundoclima 2022 Manuel page 90

SERIES:
OUTDOOR UNITS MAXI MVD D4+ (2 pipes)
UNITS:
MVD-D252(8)W/RN1-B
MVD-D280(10)W/RN1-B
MVD-D335(12)W/RN1-B
MVD-D400(14)W/RN1-B
MVD-D450(16)W/RN1-B
Error code
E0 Communication error between outdoor units
E1 Phase sequence error
Communication error between indoors and the
E2
master unit.
Outdoor ambient temperature sensor and
E4
condenser pipe temperature sensor error
E5 Power voltage error
E7 Discharge temp sensor malfunction
E8 Outdoor unit address is wrong
Communication error between 0537 chip and
H1
MC9S08AC128 chip
H2 Quantity of outdoor unit decreased
H3 Quantity of outdoor unit increased
H5 3 times of P2 protection in 30 minutes
H6 3 times of P4 protection in 100 minutes
H7 Quantity of indoor unit decreased
H8 High pressure sensor error
H9 3 times of P9 protection in 30 minutes
Hd Slave units malfunction
P1 High pressure protection
P2 Low pressure protection
P3 Over current protection of digital compressor
P4 Compressor high discharge temp protection
P5 Condenser high temperature protection
P7 Over current protection of No.1 fixed compressor
P8 Over current protection of No.2 fixed compressor
P9 Fan module protection
(CL23110)
(CL23111)
(CL23112)
(CL23113)
(CL23114)
90
TROUBLESHOOTING
(CL23110 to CL23114)
Only display on the faulty slave unit, all the ODUs are in
standby.
Display on the faulty unit, all the
Only display on the master unit, all the ODUs are in
standby.
Display on the faulty unit, all the
Display on the faulty unit, all the
The unit is running for 10 minutes and then stay the
status with the discharge temperature is lower than 15
and the discharge pressure is over 3.5MPa for 2
minutes.
Only display on the faulty slave unit, all the ODUs are in
standby.
Display on the faulty unit, all the
Only display on the master unit, all the
standby.
Only display on the master unit, all the
standby.
Display on the faulty unit, all the
Cannot be recovered until re-power on.
Display on the faulty unit, all the
Cannot be recovered until re-power on.
Only display on the master unit, all the
standby.
Display on the faulty unit, all the
Cannot be recovered until being power on again.
Only display on the master unit, all the
standby.
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
Display on the faulty unit, all the
EN
Note
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in
ODUs are in
ODUs are in standby.
ODUs are in standby.
ODUs are in
ODUs are in standby.
ODUs are in
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.
ODUs are in standby.