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Bryan TaylorSep 15, 2025
How to troubleshoot NO_COMM error on Spirax Sarco SP7-11 Valve Positioners?
- DDennis HansenSep 15, 2025
If the Spirax Sarco Valve Positioners displays 'NO_COMM', check the bus address and status bit (128).
How to troubleshoot NO_COMM error on Spirax Sarco SP7-11 Valve Positioners?
If the Spirax Sarco Valve Positioners displays 'NO_COMM', check the bus address and status bit (128).
How to reset the travel counter on Spirax Sarco SP7-11 Valve Positioners (ALARM 7)?
To reset the travel counter on Spirax Sarco Valve Positioners after ALARM 7, use a connected PC with suitable software.
What to do if Spirax Sarco SP7-11 show ALARM 5?
If the Spirax Sarco Valve Positioners display ALARM 5, it means positioning has timed out because the settling time needed exceeds the configured stroke time. To resolve this, ensure that the actuator is not blocked, the supply air pressure is adequately high, and the specified time limit is higher than 1.5 times the longest stroke time of the actuator. If adaption cannot run uninterruptedly for an actuator, adaption should be switched on until the alarm does not occur anymore during controlling actions.
What to do if Spirax Sarco Valve Positioners display ERROR 10?
If your Spirax Sarco Valve Positioners are showing ERROR 10, it indicates that the supply voltage was interrupted for at least 20 ms. This error is displayed after resetting the device to indicate the reason for the reset. You should check the power source and the wiring to solve this problem.
What does ERROR 50 to 99 mean on Spirax Sarco SP7-11?
If the Spirax Sarco Valve Positioners displays ERROR 50 to 99, and the error can be reproduced in the same position after resetting, the device must be returned for repair to the manufacturer. This indicates an internal error.
What does NV_ERROR mean on Spirax Sarco Valve Positioners?
If the Spirax Sarco Valve Positioners displays 'NV_ERROR' it indicates a defective memory chip. Return the device for repair.
Why does my Spirax Sarco Valve Positioners show CALC_ERR error?
If the Spirax Sarco Valve Positioner displays 'CALC_ERR', this could be due to inconsistent data (e.g., a low value being higher than a high value) or incorrect configuration. You can correct the values or load the factory settings. Another cause could be that data cannot be saved locally because PROFIBUS saves data in the background. In this case, try again later.
What to do if Spirax Sarco Valve Positioners show ERROR 10?
If your Spirax Sarco Valve Positioners show ERROR 10, it means the supply voltage was interrupted for at least 20 ms. To resolve this, check the power source and the wiring.
What does ALARM 4 mean on Spirax Sarco SP7-11 Valve Positioners?
ALARM 4 on Spirax Sarco Valve Positioners indicates that controlling is inactive because the device does not operate in control mode or the binary input is active. To resolve this, switch to control mode or switch off the binary input.
What causes ALARM 1 on Spirax Sarco Valve Positioners?
ALARM 1 on Spirax Sarco Valve Positioners is caused by leakage between the positioner and the actuator. To address this, check the piping.
Details of error codes, their causes, and troubleshooting.
Specific error messages for SP7-11/12 and SP7-21/22 models.
List of alarm codes, their possible causes, and troubleshooting.
Codes and descriptions for various system messages.
Procedures for diagnosing and resolving positioner issues.
Explanation of signal words DANGER, WARNING, CAUTION, and NOTE.
Safety precautions to be followed during operation.
Detailed parameter descriptions for HART communication.
Parameter details for Profibus PA and Foundation Fieldbus.
Parameter mapping for Profibus PA and Foundation Fieldbus devices.
Setting the PROFIBUS bus address for communication.
General| Input Signal | 4-20 mA |
|---|---|
| Output Pressure | 0 to 100% of supply pressure |
| Supply Pressure | 20-100 psi (1.4-7.0 bar) |
| Enclosure Rating | IP66 (NEMA 4X) |
| Ambient Temperature | -40 to 85°C (-40 to 185°F) |
| Mounting | Direct mounting to actuator |
| Materials | Aluminum |
| Type | Electropneumatic positioner |
| Action | Direct or Reverse |
