SYSVRF2 224 280 AIR EVO A HP R IM
10. TURN OVER TO CUSTOMER
14
9 ERRPOR CODES
Error
code
Error description Remarks
The troubleshooting for each error code, please refer to the service manual.
Communication error between main board and
compressor drive board
Inverter-module protection
Qty. of indoor units mismatching
High pressure sensor error
M-HOME for the indoor and outdoor units does not match
Phase sequence error
Communication error between indoor and master unit
T3 or T4 temperature sensor error
Abnormal power supply voltage
DC fan motor error
E6 protection appears 6 times in 1 hour
TL sensor fault
High pressure protection
Low pressure protection
Compressor current protection
Discharge Temp. protection
High Temp. protection of condenser
Typhoon protection
Inverter module Temp. protection
Inverter compressor module error
DC bus low voltage protection
DC bus high voltage protection
MCE error
Zero speed protection
Compressor frequency variation greater than 15Hz
within one second protection
Actual compressor frequency differs from target
frequency by more than 15Hz protection
DC bus voltage error
H0
Irrecoverable
Irrecoverable
Irrecoverable
Irrecoverable
H4
H5
H8
HF
E1
E2
E4
E5
E6
Eb
E7
EH
P1
P2
P3
P4
P5
P8
PL
L0
L1
L2
L4
L5
L7
L8
L9
F1
DC bus voltage error
H7
Discharge temperature sensor error
3 times of P2 protection in 30 minutes
Phase sequence protection
bH
bL
PED protection board error
High pressure switch protection on driver board
The owner's manual of indoor unit and owner's manual of outdoor or unit must be turned over to the customer. Explain
the contents in the owner’s manual to the customers in details.