Faults / Alarms 02.00
10-8 SIEMENS AG 6RX1700-0AD76
SIMOREG DC Master Operating Instructions
Fault Description
No.
Cause as a function of fault value
(r047.001, r949.001 or r949.009 with acknowledged error)
Further information (r047.002 to r047.016)
10.1.2.4 Fault messages from motor sensors
F025 Brush length too short
(active in operating states of ≤ o3)
When parameter P495=2 (binary sensing of brush length), fault message at log.”0” signal (longer than 10s) at terminal 211
Possible fault causes
• Encoder for brush length has responded
• Open circuit in encoder cable
F026 Bearings in bad condition
(active in operating states of ≤ o6)
When parameter P496=2 (bearing condition sensing) fault message at log. “1” signal (longer than 2 s) at terminal 212
Possible fault causes
• Encoder for bearing condition has responded
F027 Air-flow monitoring of motor fan
(active in operating states of < o6)
When parameter P497=2 (air-flow monitoring), fault message at log ”0” signal (longer than 40s) at terminal 213
Possible fault causes
• Encoder for fan monitoring has responded
• Open circuit in encoder cable
F028 Motor overtemperature
(active in operating states of ≤ o6)
When parameter P498=2 (thermostat connected), fault message at log. “0” signal (longer than 10s) at terminal 214
Possible fault causes
• Thermostat for monitoring motor temperature has responded
• Open circuit in encoder cable
F029 Motor overtemperature
(active in all operating states)
Select via P493=2 or 3 (temperature sensor at terminals 22 / 23) or
P494=2 or 3 (temperature sensor at terminals 204 / 205)
When parameter P490.01=1 (KTY84 at terminals 22 / 23) or P490.02=1 (KTY84 at terminals 204 / 205):
The fault message is activated if the motor temperature reaches or exceeds the value set in parameter P492.
When parameter P490.01=2, 3, 4 or 5 (PTC thermistor at terminals 22 / 23) or P490.02=2, 3, 4 or 5 (PTC thermistor at terminals
204/ 205):
The fault message is activated if the motor temperature reaches or exceeds the response value of the selected PTC thermistor.
Fault value:
1 Fault activation through temperature sensor at terminals 22 / 23
2 Fault activation through temperature sensor at terminals 204 / 205
10.1.2.5 Drive faults
NOTE
The following monitoring functions, F031 to F037, are deactivated in the delivery state.
They can be activated via parameter P820.
F031 Speed controller monitoring
(active in operating states of – –, I, II)
The monitor responds when the difference between the connectors selected in P590 and P591 (factory setting: Setpoint/actual
value difference of speed controller) exceeds the limit set in parameter P388 for longer than the time set in parameter P390.
Possible fault causes
• Open control loop
• Controller not optimized
• P590 or P591 is not correctly parameterized
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