Heat Pump Mini VRF Outdoor Unit 6 720 862 440 (2016/04)
ERROR CODES | 7
Table 5-2 (8/10.5/18 KW)
Display Malfunction or Protection
E2 Communication malfunction between indoor/outdoor units
E4 T3&T4 temperature sensor malfunction
E5 Power voltage protection
E6 Fan Protection
E7 Compressor discharge temperature sensor malfunction
E9 EEPROM malfunction
EA A fan in the Aregion run for more than 5 minutes in Heat mode
Eb E6 protection has been activated 2 times in 10 minutes
H0 Communication malfunction between IR341/main board
P1 Hi-pressure protection
P2 Low-pressure protection
P3 Input current protection
P4 Compressor discharge protection temperature
P5 Condenser high temperature protection
P6 Inverter module protection
P8 Wind protection
PE Indoor evaporator hi-temp protection
L0 Module malfunction
L1 DC generatrix low voltage protection
L2 DC generatrix high voltage protection
L3 Reserved
L4 MCE malfunction/simultaneously/cycle loop
L5 Zero speed protection
L6 Reserved
L7 Wrong phase protection
L8 Protection should the speed change be greater than 15 Hz before and after
L9 Protection should the required speed fluctuate by more than 15Hz
Display Function Instruction:
1. When in stand-by, the LED display will show the amount of indoor units communicating with the outdoor unit.
2. When the unit is in operation, the LED display will show the frequency value of the compressor.
3. When the unit is in defrost, the LED will display ‚df‘.
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