Bosch Climate 5000 VRF MDCI10-1 Owner's Manual page 8

8 | MALFUNCTION CODE OF OUTDOOR UNIT
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 2 times of E6 protection 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 Typhoon protection
PE Indoor evaporator hi-tempprotection
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 Speed difference>15Hz protection between the front and the back clock
L9 Speed difference>15Hz protection between the real and the setting speed
Display Function Instruction:
1. When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
2. When operation, LED displaying frequency value of compressor.
3. When defrost, LED displaying "dF".
6 720 844 640 (2015/11) Heat Pump Mini VRF Outdoor Unit