Midea CCM-180A/WS User Manual

CCM-180A/WS
42 201803
CCM-180A/WS Service Manual
4.7 Help Interface
This manual is intended for reference only. Refer to the error shown on the actual device for troubleshooting.
Please consult a Midea engineer to check if the error code of the specific model belongs to a "new-generation refrigerant
system".
Table 15 Error codes for new generation ODU
Code
ODU Error Description
E0
Communication error between outdoor units
E1
Phase sequence error
E2
Communication error between an indoor unit and the master unit
E4
Outdoor heat exchanger temperature sensor (T3) error or outdoor
ambient temperature sensor (T4) error
E5
Abnormal power supply voltage
E6
Abnormal module temperature or Tf temperature sensor
E7
Compressor top or discharge pipe temperature sensor (T7C1/2) error
E8
Outdoor unit address error
xE9
EEPROM mismatch
xF1
PTC error
F3
Plate heat exchanger cooling refrigerant outlet temperature sensor
(T6B) error
F5
Plate heat exchanger cooling refrigerant inlet temperature sensor
(T6A) error
F6
Electronic expansion valve (EEV) connection error
xH0
Communication error between the main control chip and inverter
driver chip
H2
Number of slave units detected by the master unit has decreased
H3
Number of slave units detected by the master unit has increased
xH4
Inverter module protection
H5
P2 protection appears three times in 60 minutes
H6
P4 protection appears three times in 100 minutes
H7
The number of indoor units detected by the master unit is different to
the number set on main PCB
H8
High pressure sensor error
H9
P9 protection appears ten times in 120 minutes
C7
PL protection appears three times in 100 minutes
P1
Discharge pipe high-pressure protection
P2
Suction pipe low-pressure protection
xP3
Compressor current protection
P4
Discharge temperature protection
P5
Outdoor heat exchanger temperature protection
P9
Fan module protection
PL
Inverter module temperature protection
PP
Compressor discharge insufficient superheat protection
xL0
Inverter module protection
xL1
DC bus low voltage protection
xL2
DC bus high voltage protection
xL4
MCE error

Midea CCM-180A/WS Specifications

General

Brand	Midea
Model	CCM-180A/WS
Category	Air Conditioner
Language	English