4.4 Error Code
Nr. Code Name Description
1 OC-1 Overcurrent at constant speed
Output current above limit at motor running at constant
speed
2 OC-2 Overcurrent during acceleration Output current above limit at motor accelerating
3 OC-3 Overcurrent during deceleration Output current above limit at motor decelerating
4 OE-1 Overvoltage at constant speed
DC bus voltage above limit at motor running at constant
speed
5 OE-2 Overvoltage during acceleration DC bus voltage above limit at motor accelerating
6 OE-3 Overvoltage during deceleration DC bus voltage above limit at motor decelerating
7 OE-4 Overvoltage during stop DC bus voltage above limit at converter stopped
8 UE-1 Undervoltage during run DC bus voltage below limit at converter running
9 SC Surge current or short circuit
Output current sharp increase or short circuit occurs on
motor cable or converter power module has internal
error
10 IPH.L Input phase loss Mains cable disconnected or input imbalance occurs
11 OPH.L Output phase loss Motor cable disconnected or output imbalance occurs
12 ESS- Soft start error Soft start circuit is not working properly
20 OL-1 Converter overload Converter load is above limit for too long
21 OH Converter over temperature Converter temperature is too high
23 FF Fan failure Converter fan is not working properly
24 Pdr Pump dry
PID feedback is excessively low when converter running
at output frequency high limit
25 CoL- Command value lost Command value from panel is lost
30 OL-2 Motor overload Motor load is above limit for too long
31 Ot Motor over temperature Motor temperature is above limit for too long
32 t-Er Motor parameter tuning error Error occurs during motor parameter auto-tuning
33 AdE-
Synchronous motor angle detec-
tion error
Error occurs during synchronous motor angle detection
35 SPE- Speed control loop error
The speed loop difference is outside [C3.26] over a
time of [C3.25]
38 AibE
Analog input broken wire detec-
tion
Analog input wire is disconnected
39 EPS- DC_IN power supply error DC_IN power supply voltage is out of range 20...28 V
40 dir1 Forward running lock error Direction can only be forward but command is reverse
41 dir2 Reverse running lock error Direction can only be reverse but command is forward
42 E-St Terminal error signal Error signal is received from digital inputs
43 FFE- Firmware version mismatch
Firmware version of panel or extension card does not
match that of control board
44 rS- Modbus communication error Modbus communication is not working properly
EFC 3610 / EFC 5610 Bosch Rexroth AG
Diagnosis
DOK-RCON03-EFC-X610***-QU11-EN-P
85/87
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