Bosch PIF6..T1.. Spezifikationen PDF herunterladen (Seite 17)

ECODRIVE Drive Controller DKC02.1

DOK-ECODRV-SSE-03VRS**-WAR1-EN-P • 12.96 Error Diagnostic Messages 2-7

F245 External Encoder Failure: Quadrant Error

A hardware fault has been detected in the external measuring system’s

high-resolution position interface for sinusoidal signals.

Cause:

1. Defective encoder cable

2. Interference on encoder cable

3. Defective amplifier

Remedial action:

Ref. 1. Replace the encoder cable

Ref. 2. Lay the encoder cable separately from power cables

Ref. 3. Replace the amplifier

F248 Low Battery Voltage

Cause:

In a motor of the MKD series, the absolute position information is stored

in a battery-backed electronics system in the motor feedback. The

battery has been designed for a utilization period of 10 years. This

message is output if the battery voltage drops below 2.8 V. The function

of the absolute encoder is ensured for another two weeks.

CAUTION

Hazard: Faults in controlling motors and/or moved

elements may lead to injuries.

⇒

Action: Replace battery as soon as possible

Preparation for changing batteries

The following parts are required:

•

Size 10 TORX screwdriver

•

Flat nose pliers; torque wrench

•

New pre-assembled battery (order no.: 257101)

CAUTION

Hazard: Faults in controlling motors and/or moved

elements may lead to injuries.

⇒

Switch off the power supply and secure it

against being switched on again. Replace

the battery while the control voltage is

switched on.

If the control voltage were switched off while the battery is disconnected,

the right reference point would be lost and must be re-established.

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