RDZ UMHPI, User Manual

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UMHPI
Industrial inverter air/water heat pumps with axial fans
38
12.12 POWER FAILURE
After power supply reset:
•
The system comes back to the previous state before the power failure.
•
If the system is in defrosting period, this mode will be cancelled after power supply reset.
•
All the running timings will be cleared and reset again.
12.13 USER BLOCK ALLARMS TABLE
In the case of indoor/outdoor unit alarm, an error code will appear on the display of CB outdoor unit controller .
Error code Error description Compressor Circulator Fan motor E-heaters
E00 Remote Off OFF OFF OFF OFF
E01 High pressure OFF OFF
E02 Low pressure OFF OFF
E05 Antifreeze alarm OFF ON OFF ON
E06 Flowswitch / AC fan motor OFF OFF OFF OFF
E08 Compressors shut off for lack of lubrication OFF
E18 High temperature OFF OFF
E101 modbus1 connection error [Indoor/outdoor unit] OFF OFF OFF
E611 Input water sensor error OFF OFF OFF OFF
E612 Plant circuit remote sensor (if enabled) OFF OFF OFF OFF
E621 Outlet water temperature OFF OFF OFF OFF
E631 Compressor return sensor OFF OFF OFF OFF
E641 Compressor exhaust High pressure switch OFF OFF OFF OFF
E651 High pressure transducer OFF OFF OFF OFF
E652 Injection high pressure transducer (for “LT” version) OFF OFF OFF OFF
E661 Low pressure transducer OFF OFF OFF OFF
E671 Outside air temp. sensor for climatic regulation OFF OFF OFF OFF
E672 Vapor injection temp. sensor (for “LT” version) OFF OFF OFF OFF
E681 DHW boiler temp. sensor (if enabled) OFF OFF OFF OFF
E801 Timeout inverter 1 OFF OFF
E802 Timeout inverter 2 OFF OFF
E851 In
verter 1 hardware malfunction
OFF OFF
E852 In
verter 2 hardware malfunction
OFF OFF
E861 Compressor 1 overcurrent protection OFF OFF
E862 Compressor 2 overcurrent protection OFF OFF
E871 Dissipater(heat sink) of Inverter 1 in high temperature OFF OFF
E872 Dissipater(heat sink) of Inverter 2 in high temperature OFF OFF
E881 Power voltage inverter 1 out of limit OFF OFF
E882 Power voltage inverter 2 out of limit OFF OFF
*E891 Compressor 1 disconnected from the power supply OFF OFF
*E892 Compressor 2 disconnected from the power supply OFF OFF
*E901 Compressor 1 model OFF OFF
*E902 Compressor 2 model OFF OFF
*E911 Inverter 1 overload protection OFF OFF
*E912 Inverter 2 overload protection OFF OFF
*E921 Inverter 1 overcurrent OFF OFF
*E922 Inverter 2 overcurrent OFF OFF
*E931 Inverter 1 communication error OFF OFF
*E932 Inverter 2 communication error OFF OFF
*E941 Inverter 1 PFC OFF OFF
*E942 Inverter 2 PFC OFF OFF
*E951 Inverter 1 temp. sensor error OFF OFF
*E952 Inverter 2 temp. sensor error OFF OFF
*E961 Inverter 1 failure OFF OFF
*E962 Inverter 2 failure OFF OFF
*E971 Inverter 1 EEPROM error OFF OFF
*E971 Inverter 2 EEPROM error OFF OFF
(*) Only for the models “UMHPI 60”