12-10 Diagnostic Message Descriptions ECODRIVE03-FL*-04VRS
DOK-ECODR3-FL*-04VRS**-FK01-EN-P
F245 Encoder 2 failure: Quadrant error
The evaluation of the additional optional encoder (encoder 2) is active. In
the evaluation of the sinusoidal input signals of the optional encoder, a
plausibility check is performed between these signals and the counter fed
by these signals. In so doing, an error has been encountered.
Cause:
1. Defective encoder cable
2. Electromagnetic interference on the encoder cable
3. Defective encoder interface
Remedy:
For 1. Replace the encoder cable
For 2. Keep the encoder cable well away from power cables.
For 3. Replace unit (ECODRIVE)
F246 Max. signal frequency of encoder 2 exceeded
The signal frequency of encoder 2 (optional encoder) is checked to see
whether the allowed max. frequency of the encoder interface has been
exceeded.
If the frequency is higher than allowed, error F246, Max. signal
frequency of encoder 2 exceeded is generated. The “homed” output in
Parameter C010 is turned off.
F248 Low Battery Voltage
Cause:
For model MKD and MKE motors, the absolute position information is
stored in the motor encoder electronics with battery backup. The battery
is rated for a 10-year service life. If the battery voltage goes below 2.8 V,
this message is displayed. Encoder functioning is ensured for
approximately another 2 weeks.
CAUTION
Malfunction in the control of motors and moving
elements
Equipment damage can occur.
Replace battery immediately.
Instructions for Replacing Batteries
Have the following tools and accessories ready:
Torx screwdriver size 10
Needle-nose pliers, torque wrench
New battery pack (Mat. No. 257101)
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