6 Troubleshooting
- 86 -
Fault Name
Operating
Panel
Display
Cause
Possible Solution
Power supply
unit fault
(continued)
E 25.21
The EEPROM is
faulty.
1: Contact Inovance or the agent for technical
support.
E 25.61
The braking unit is
faulty.
1: Check whether the braking resistor is short
circuited.
2: Check whether the braking pipe shoots
through.
3: Check whether the braking resistance and
power class of the drive are too small.
4: Check whether external interference exists.
5: Check whether the hardware circuit
detection is normal.
6: Check whether the braking resistance and
power class of the drive are too small.
7. Lower the ambient temperature.
8: Check whether the cooling fan works
properly.
9: Clean the air duct.
10: Check whether the temperature sensor is
damaged.
Accumulative
running time
reached
E 26.00
The accumulative
running time
reached the set
value.
Clear the record by parameter initialization.
User-defined
fault 1
E 27.00
The signal of user-
defined fault 1 is
input through the
multi-functional
terminal DI.
Perform the reset operation.
The signal of user-
defined fault
1 is input through
the multifunctional
terminal IO.
Perform the reset operation.
User-defined
fault 2
E 28.00
The signal of user-
defined fault 2 is
input through the
multi-functional
terminal DI.
Perform the reset operation.
The signal of user-
defined fault
2 is input through
the multifunctional
terminal IO.
Perform the reset operation.
