Description of Warning Codes
‑20‑
Cause
Confirming Method
Solution
1. The home switch is faulty.
There is only high‑speed
searching but no low‑speed
searching during homing.
After high‑speed searching,
low‑speed searching in the
reverse direction applies.
If a hardware DI is used,
check whether the
corresponding DI function is
allocated to a certain DI in
group H03 and check the
wiring of this DI. Change the
DI logic manually and
observe the value of H0b.03
(monitored DI status) to
monitor whether the
servoServo drive receives
corresponding DI level
changes. If the home signal
is Z signal and the home
signal cannot be found,
check the condition of the Z
signal.
2. The time limit for homing
is too short.
Check whether the value of
H05.35 (Time limit for
homing) is too small.
Increase the value of H05.35.
3. The speed in high‑speed
searching for the home
switch signal is too low.
Check the distance between
the start position of homing
and the home switch. Then
check whether the setpoint
of 6099‑01h is too low,
resulting in a long homing
process.
Increase the value of 6099‑
01h.
● E601.1: Homing switch error
Cause:
The homing switch is set improperly.
Cause
Confirming Method
Solution
The home switch is set
improperly.
Check whether the limit
signals at both sides are
activated.
Check whether the limit
signal and the deceleration
point signal/home signal are
both activated.
Check whether the positive
and negative position limits
are activated successively.
Set the position of the
physical switch properly.
● E601.2: Homing method setting error
Cause:
The homing method value is too large.
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