Bosch termosifon All models error codes
Codes
- CN1Error codeCommunication with main PCB
- EC07Error codeThe outdoor fan speed is operating outside of the normal range(
- EC51Error codeOutdoor unit EEPROM parameter error
- EC52Error codeCondenser coil temperature sensor T3 is in open circuit or has short circuited
- EC53Error codeOutdoor room temperature sensor T4 is in open circuit or has short circuited
- EC54Error codeCompressor discharge temperature sensor TP is in open circuit or has short circuited
- EC56Error codeEvaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
- EH00Error codeIndoor unit EEPROM parameter error
- EH0bError codeIndoor PCB/Display board communication error
- EH02Error codeZero-crossing signal detection error
- EH03Error codeThe indoor fan speed is operating outside of the normal range
- EH30Error codeOver low voltage protection of indoor external fan
- EH31Error codeOver voltage protection of indoor external fan
- EH60Error codeIndoor room temperature sensor T1 is in open circuit or has short circuited
- EH61Error codeEvaporator coil temperature sensor T2 is in open circuit or has short circuited
- EL0CError codeRefrigerant leak detected
- EL01Error codeIndoor / outdoor unit communication error
- LC03Error codeFrequency limit caused by current
- LC05Error codeFrequency limit caused by voltage
- PC00Error codeIPM malfunction or IGBT over-strong current protection
- PC0AError codeCondenser high temperature protection
- PC0FError codePFC module malfunction
- PC02Error codeCompressor top high temperature protection (OLP)
- PC03Error codePressure protection
- PC06Error codeCompressor discharge temperature protection
- PC08Error codeOutdoor current protection
- PC10Error codeOver low voltage protection
- PC11Error codeOver voltage protection
- PC12Error codeDC voltage protection
- PC40Error codeCommunication error between outdoor main chip and compressor driven chip
- PC41Error codeCurrent Input detection protection
- PC42Error codeCompressor start error
- PC45Error code341PWM error
- PC46Error codeCompressor speed malfunction
- PC49Error codeCompressor over current protection
- PH90Error codeEvaporator coil temperature over high protection
- PH91Error codeEvaporator coil temperature over low Protection
- T1Error codeIndoor room temperature
- T2Error codeCoil temperature of evaporator
- T3Error codeCoil temperature of condenser
- T4Error codeOutdoor ambient temperature