Danfoss iC2 - Page 271

Application Guide | iC2-Micro Frequency Converters
WARNING/FAULT 36, Mains Failure
Cause
This warning/alarm is only active if the supply voltage to the drive is lost and P 2.3.7 Power Loss Controller Limit is not set to [0] No
Function.
Troubleshooting
l Check the fuses to the drive and mains supply to the unit.
FAULT 38, Internal Fault
Cause
When an internal fault occurs, a code number is shown.
Troubleshooting
l See Table 73 for the causes and solutions for different internal faults. If the fault persists, contact the Danfoss supplier or service
department for assistance.
Table 73: Internal Fault List
Fault number Cause Solution
140-142 Power board EEPROM data error. Upgrade the software in the drive to the latest version.
176 The firmware in the drive does not
match the drive.
Upgrade the software in the drive to the latest version.
256 Flash ROM checksum error. Upgrade the software in the drive to the latest version.
2304 Firmware mismatch between the control
card and the power card.
Upgrade the software in the drive to the latest version.
2560 Communication error between the con-
trol card and the power card.
Upgrade the software in the drive to the latest version.
If the fault occurs again, check the connection between
the control card and the power card.
3840 Serial flash version error. Upgrade the software in the drive to the latest version.
4608 Drive power size error. Upgrade the software in the drive to the latest version.
If the fault occurs again, contact a Danfoss supplier.
Other Other internal faults. Power cycle the drive. If the fault occurs again, contact
a Danfoss supplier.
WARNING 40, Overload of Digital Output Terminal 15
Troubleshooting
l Check the load connected to terminal 15 or remove the short-circuit connection.
l Check P 9.4.1.1 Digital I/O Mode and P 9.4.2.1 T 15 Mode.
FAULT 46, Gate Drive Voltage
Cause
The supply for the gate drive on the power card is out of range. It is generated by the switch mode supply (SMPS) on the power card.
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