5-9 Data Communicate with other Function Modules
If receiving data from function module, then display the network information of the
corresponding function module. If not receiving data from corresponding function module for
1 minute, then exit network control state. If data communication has frame mistake or data
check has mistake, CCM/PC communication malfunction will occur and display malfunction
code “02#”. Malfunction will relieve after communication restores to normal state or exiting
network control state.
6. Malfunction and Protection Code Table
ERROR
Code
ERROR Contents
PROTECT.
Code
PROTECT. Contents
EF
Other malfunction
PF
Other Protection
EE
Water level checking malfunction
PE
Reserve
ED Outdoor
protection
PD
Reserve
EC Clear
malfunction
PC
Reserve
EB
Inverter Module Protection
PB
Reserve
EA Compressor
Over-current (4 times)
PA
Reserve
E9
Communication malfunction
between PCB and Display board
P9 Reserve
E8
Fan motor checking out of control
P8
Compressor
Over-current
E7
EEPROM malfunction
P7
Power Lack/Over Volt Protection
E6
Over-zero checking malfunction
P6
Discharge Low-pressure Protection
E5
T3 sensor malfunction
P5
Discharge High-pressure Protection
E4
T2B sensor malfunction
P4
Discharge Pipe Temp. Protection
E3
T2A sensor malfunction
P3
Compressor Temp. Protection
E2
T1 sensor malfunction
P2
Condenser High Temp. Protection
E1 Communication
malfunction
P1
Anti-cooling or Defrost Protection
E0
Phase sequence or lack of phase
P0
Evaporator
Temp.
Protection
03#
CCM/PC(gateway) Communication Malfunction
02#
CCM/Function Module Communication Malfunction
01#
CCM/NIM Communication Malfunction
00#
CCM/PCB Communication Malfunction
7. Technical Index and Requirement
EMC and EMI should conform to the requirement of CE Certification.
