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
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.
Danfoss A/S © 2024.03 AB413939445838en-000301 / 130R1254 |
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