Troubleshooting
Fault Code Messages
Fault Code
No.
Description
2,E
01
Brake channel over current
2/EU
02
Brake resistor overload
2,
03
Output Over Current
,WWUS
04
Motor Thermal Overload (I2t)
29ROW
06
Over voltage on DC bus
89ROW
07
Under voltage on DC bus
2W
08
Heatsink over temperature
8W
09
Under temperature
(WULS
11
External trip
6&2E6
12
Optibus comms loss
)/WGF
13
DC bus ripple too high
3/266
14
Input phase loss trip
K 2,
15
Output Over Current
WK)OW
16
Faulty thermistor on heatsink
G$W$)
17
Internal memory fault (IO)
)
18
4-20mA Signal Lost
G$W$(
19
Internal memory fault (DSP)
)3WF
21
Motor PTC thermistor trip
)$1)
22
Cooling Fan Fault (IP66 only)
2K($W
23
Drive internal temperature too high
287)
26
Output Fault
$W)
41
Autotune Fault
6&)
50
Modbus comms loss fault
6&)
51
CAN comms loss trip
NOTE
Following an over current or overload trip (1, 3, 4, 15), the drive may not be reset until the reset time delay has elapsed
to prevent damage to the drive.