Fault codeF7493
The actual position value exceeded its maximum allowable range due to overflow. The manual's first action is: “If required, reduce the traversing range or position resolution p29247.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- LR: Overflow of the value range for position actual value (F7493)
- Type
- Fault code
- Source
- Manual p. 296
What F7493 means
LR: Overflow of the value range for position actual value p. 296
Common causes
- The value range (-214783648 ... 214783647) for the position actual value representation was exceeded. p. 296
- Note for case = 3: p. 296
- If the value for the maximum possible absolute position (LU) is greater than 4294967296, then it is not possible to make an adjustment due to an overflow. p. 296
- Motor encoder with position tracking: EPOS: p29247 * p29244 p. 296
- Motor encoder without position tracking: For multi-turn encoders: EPOS: p29247 * p29248 * 4096 / p29249 p. 296
- For single-turn encoders: EPOS: p29247 * p29248 / p29249 p. 296
Safety warnings — read before you start
- DANGERGeneral Safety Instructions. Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. p. 2
- WARNINGRisk of Electric Shock and Fire. Risk of electric shock and fire from supply networks with an excessively low impedance Excessively high short-circuit currents can lead to the protective devices not being able to interrupt these short-circuit currents and being destroyed, and thus causing electric shock or a fire. p. 12
- WARNINGElectric Shock if No Ground Connection. Electric shock if there is no ground connection For missing or incorrectly implemented protective conductor connection for devices with protection class I, high voltages can be present at open, exposed parts, which when touched, can result in death or severe injury. p. 12
- WARNINGElectric Shock Due to Unsuitable Power Supply. Electric shock due to connection to an unsuitable power supply When equipment is connected to an unsuitable power supply, exposed components may carry a hazardous voltage that might result in serious injury or death. p. 12
What to do
- If required, reduce the traversing range or position resolution p29247. p. 296
- For rotary encoders, the maximum possible absolute position (LU) is calculated as follows: p. 296
If F7493 is still not resolved
- Contact service / dealer for assistance p. 2 “Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions.”
- Contact service / dealer for assistance p. 13 “NOTICE Property damage due to loose power connections Insufficient tightening torques or vibration can result in loose power connections. This can result in damage due to fire, device defects or malfunctions.”
This page summarises what the manufacturer’s manual says about F7493; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.