Siemens SIMOTICS M-1PH8 Série Instructions De Service / Instruction De Montage page 313

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K3G250-RR17-M9
Siemens AG DI MC + LD
Impeller not
Imbalance in rotating
running smoothly
parts
Motor not turning
Mechanical blockage
Line voltage faulty
Faulty connection
Broken motor winding Replace device
Thermal overload
protector activated
Deficient cooling
Ambient temperature
too high
Item no. 55701-5-9970 · ENU · Change 211092 · Approved 2020-05-21 · Page 11 / 13
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
Operating instructions
Clean the device;
replace it if imbalance
persists after cleaning.
Make sure no
weight clips are
removed during
cleaning.
Switch off, isolate
from supply and
remove mechanical
blockage.
Check line voltage,
restore power supply.
Attention! The error
message resets
automatically.
Device restarts
automatically without
warning.
6.1 Vibration testing
Isolate from supply,
Checking of fan for mechanical vibration based on ISO 14694.
correct connection;
Recommendation: Every 6 months. Max. vibration severity is 3.5 mm/
see connection
s, measured at the motor fastening diameter on the motor support plate in
diagram.
the direction of the motor axis of rotation and perpendicular to this.
Allow motor to cool
off, locate and rectify
cause of error,
release restart lockout
if necessary
Improve cooling. Let
the device cool down.
To reset the error
message, switch off
the line voltage for at
least 25 s and then
switch it on again.
Alternatively, reset
the error message by
applying a control
signal of < 0.5 V to
Din1 or by shorting
Fig. 1: Example illustrating vibration measurement. The arrangement of
Din1 to GND.
the sensors depends on the device concerned and the installation
Reduce the ambient
situation.
temperature. Let the
device cool down.
6.2 Cleaning
To reset the error
message, switch off
To ensure a long service life, check the fans regularly for proper
the line voltage for at
operation and soiling. The frequency of checking is to be adapted
least 25 s and then
accordingly depending on the degree of soiling.
switch it on again.
Alternatively, reset
the error message by
applying a control
signal of < 0.5 V to
Din1 or by shorting
Din1 to GND.
; Dirt deposits on the motor housing can cause overheating of the motor.
; Soiling of the impeller can cause vibration that will shorten the service
; Severe vibration can destroy the fan.
; In such cases, switch off the fan immediately and clean it.
Impermissible point of
operation (e.g. back
pressure too high)
In the event of further malfunctions, contact ebm-papst.
DANGER
Risk of injury from rotating fan.
→ Only clean when not in motion. Do not disconnect the fan
from the power supply, just switch it off via the control input.
This will prevent start-up of the fan.
life of the fan.
Correct the operating
point. Let the device
cool down.
To reset the error
message, switch off
the line voltage for at
least 25 s and then
switch it on again.
Alternatively, reset
the error message by
applying a control
signal of < 0.5 V to
Din1 or by shorting
Din1 to GND.
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