Danfoss iC2 Application Manual 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
Check the fuses to the drive and mains supply to the unit.
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FAULT 38, Internal Fault
Cause
When an internal fault occurs, a code number is shown.
Troubleshooting
See Table 73 for the causes and solutions for different internal faults. If the fault persists, contact the Danfoss supplier or service
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department for assistance.
Table 73: Internal Fault List
Fault number
140-142
176
256
2304
2560
3840
4608
Other
WARNING 40, Overload of Digital Output Terminal 15
Troubleshooting
Check the load connected to terminal 15 or remove the short-circuit connection.
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Check P 9.4.1.1 Digital I/O Mode and P 9.4.2.1 T 15 Mode.
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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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Cause
Power board EEPROM data error.
The firmware in the drive does not
match the drive.
Flash ROM checksum error.
Firmware mismatch between the control
card and the power card.
Communication error between the con-
trol card and the power card.
Serial flash version error.
Drive power size error.
Other internal faults.
Solution
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
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.
Upgrade the software in the drive to the latest version.
Upgrade the software in the drive to the latest version.
If the fault occurs again, contact a Danfoss supplier.
Power cycle the drive. If the fault occurs again, contact
a Danfoss supplier.
AB413939445838en-000301 / 130R1254 |
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