{"id":6034,"date":"2023-08-03T20:40:54","date_gmt":"2023-08-03T12:40:54","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6034"},"modified":"2025-03-27T09:36:11","modified_gmt":"2025-03-27T09:36:11","slug":"dcl-02-modulating-actuator","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/pt_pt\/apoio\/atuador-mr\/dcl-02-atuador-modulante","title":{"rendered":"Problemas comuns e solu\u00e7\u00e3o de problemas para atuadores moduladores DCL-02"},"content":{"rendered":"
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This guide applies to the DCL ultra small modulating actuators, model as follows:<\/p>

DCL-02E<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Common Faults and Troubleshooting Methods<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00a0<\/h3>
Falta<\/strong><\/th>Possible Cause<\/strong><\/th>Troubleshooting Method<\/strong><\/th><\/tr><\/thead>
Actuator will not open or close at startup<\/strong><\/td>1. Fia\u00e7\u00e3o incorreta<\/td>Check the wiring according to the actuator wiring diagram to confirm it is correct.<\/td><\/tr>
\u00a0<\/td>2. Fonte de alimenta\u00e7\u00e3o incorreta<\/td>Ensure the power supply output voltage is within \u00b110% of the actuator\u2019s rated voltage, and the current is 3 times the actuator’s rated current.<\/td><\/tr>
\u00a0<\/td>3. Abnormal control switch or relay<\/td>Measure the input voltage at the actuator’s switch control terminal with a multimeter to ensure it matches the expected value.<\/td><\/tr>
\u00a0<\/td>4. Control system mismatch<\/td>Use a mechanical switch to test the actuator\u2019s functionality. If the actuator runs correctly, verify the control system output logic.<\/td><\/tr>
\u00a0<\/td>5. Multiple actuators or actuator parallel connection with other devices<\/td>Switch-type actuators start with a capacitor. Parallel connection with other devices will affect the capacitor’s value. Switch-type actuators should only use single control, not parallel control.<\/td><\/tr>
Actuator can only open or close<\/strong><\/td>1. Fia\u00e7\u00e3o incorreta<\/td>1. Use a mechanical switch to test the actuator’s functionality. If it runs correctly, verify the control system output logic.<\/td><\/tr>
\u00a0<\/td>\u00a0<\/td>2. Check wiring according to the actuator\u2019s wiring diagram.<\/td><\/tr>
\u00a0<\/td>2. Incorrect full-open\/full-close cam setting<\/td>Refer to “How to Set Switch-type Electric Valves” for proper cam positioning.<\/td><\/tr>
Actuator stops mid-stroke<\/strong><\/td>1. Valve jamming<\/td>Check if the valve is jammed, clear the blockage, and retry after the actuator\u2019s overload protection cools down.<\/td><\/tr>
\u00a0<\/td>2. Solid particles in the fluid causing valve jamming<\/td>Check if solid particles in the fluid are causing the valve to jam, clear the blockage, and retry after the actuator’s overload protection cools down.<\/td><\/tr>
\u00a0<\/td>3. Incorrect full-open\/full-close stop block setting<\/td>Refer to “How to Set Switch-type Electric Valves” to adjust the stop block position properly.<\/td><\/tr>
Cannot rotate actuator using the handle<\/strong><\/td>1. Solid particles in the fluid causing valve to seize<\/td>Check if solid particles are causing the valve to seize, clear the blockage, and retry after the actuator\u2019s overload protection cools down.<\/td><\/tr>
\u00a0<\/td>2. Valve is stuck<\/td>Check if the valve is stuck, clear the blockage, and retry after the actuator\u2019s overload protection cools down.<\/td><\/tr>
\u00a0<\/td>3. Actuator deceleration mechanism damaged<\/td>Remove the actuator from the valve, rotate the handle. If it doesn’t rotate, replace it with a new actuator.<\/td><\/tr>
No output from position feedback signal<\/strong><\/td>1. Fia\u00e7\u00e3o incorreta do interruptor<\/td>Check the wiring according to the actuator\u2019s wiring diagram to confirm it is correct.<\/td><\/tr>
\u00a0<\/td>2. Incorrect full-open\/full-close cam setting<\/td>Refer to “How to Set Switch-type Electric Valves” to adjust the cam position properly.<\/td><\/tr>
\u00a0<\/td>3. Overcurrent causing position feedback switch failure<\/td>1. Refer to “How to Set Switch-type Electric Valves” to check if the full-open\/full-close cam is properly pressing the position feedback switch.<\/td><\/tr>
\u00a0<\/td>\u00a0<\/td>2. Measure if the position feedback circuit is connected.<\/td><\/tr><\/tbody><\/table>

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2. Verify Application Conditions for Compatibility<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Electric actuators can fail if they are used improperly or under incorrect application conditions. Ensuring that the actuator operates within the specifications defined in the product datasheet will help ensure long-term, trouble-free operation.<\/p>

  • Power Supply Voltage<\/strong>: The voltage from the power supply must be within the actuator\u2019s rated operating voltage range. Overvoltage or undervoltage may reduce the actuator’s lifespan.<\/p><\/li>

  • Power Supply Current<\/strong>: Since the motor’s starting current is much higher than the rated current, ensure that the power supply has at least 3 times the rated current capacity of the actuator.<\/p><\/li>

  • Temperature<\/strong>: Ensure the actuator operates within its rated temperature range. Using the actuator outside of the rated temperature range can lead to malfunction or reduced lifespan, ultimately causing failure.<\/p><\/li>

  • Environment<\/strong>: DCL switch-type actuators are rated IP67 for weather resistance, suitable for both indoor and outdoor use. They offer some protection against rain, splashing water, and UV (sunlight), which typically extends the product’s life. However, highly corrosive environments can cause early failure of the electronic components. Do not use non-explosion-proof series actuators in hazardous environments.<\/p><\/li>

  • Duty Cycle<\/strong>: The DCL switch-type actuator has a duty cycle of 70% (42 seconds of operation followed by 18 seconds of rest). Exceeding this duty cycle may cause the motor to enter thermal protection mode.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    Check the Wiring of the Actuator<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    To ensure proper operation of the actuator, follow these steps:<\/p>

    1. Verify the Wiring According to the Diagram:<\/strong><\/p>

      • Double-check the wiring to ensure it matches the actuator\u2019s wiring diagram.<\/p><\/li>

      • Confirm that all connections are secure and that no wires are loose or disconnected.<\/p><\/li><\/ul><\/li>

      • Check for Correct Polarity:<\/strong><\/p>

        • Ensure that the power supply’s positive and negative terminals are connected to the correct actuator terminals.<\/p><\/li>

        • Incorrect polarity can lead to malfunction or damage to the actuator.<\/p><\/li><\/ul><\/li>

        • Inspect the Control Signal Wiring:<\/strong><\/p>

          • Verify the wiring for the control signals (e.g., input signal, feedback signal).<\/p><\/li>

          • Make sure the signal wires are correctly connected and are free from short circuits or breaks.<\/p><\/li><\/ul><\/li>

          • Check for Grounding:<\/strong><\/p>

            • Ensure proper grounding of the actuator to avoid electrical noise interference or potential short circuits.<\/p><\/li>

            • A faulty ground connection can cause erratic behavior or failure to operate.<\/p><\/li><\/ul><\/li>

            • Confirm the Wiring for External Components:<\/strong><\/p>

              • If external devices like limit switches, sensors, or additional control modules are connected, check that the wiring is secure and correct.<\/p><\/li><\/ul><\/li>

              • Test the Control Circuit:<\/strong><\/p>

                • Use a multimeter to check the control circuit, including the input voltage at the control terminals.<\/p><\/li>

                • Confirm the expected voltage range is present.<\/p><\/li><\/ul><\/li><\/ol>

                  After confirming the wiring is correct, proceed with testing the actuator to ensure it operates properly. If any issues persist after checking the wiring, further inspection of the actuator\u2019s internal components may be necessary.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                  E - Modula\u00e7\u00e3o com uma unidade de controlo<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                  • Entrada: 4~20mA \/ 0~10V<\/li>
                  • Sa\u00edda: 4~20mA \/ 0~10V<\/li><\/ul>

                    \u00a0<\/p>

                    Detalhes de liga\u00e7\u00e3o:<\/strong><\/p>

                    1. Ligar a linha de alimenta\u00e7\u00e3o AC85-220V a L e o neutro a N.<\/li>
                    2. Liga\u00e7\u00e3o da fonte do sinal de entrada 4-20mA\/2-10V do sistema de controlo \u00e0 entrada-\/+.<\/li>
                    3. Ligar a sa\u00edda -\/+ ao sistema para enviar a posi\u00e7\u00e3o da v\u00e1lvula em tempo real.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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                      Nota\uff1a<\/p>

                      • O circuito dentro da caixa tracejada \u00e9 o circuito interno do atuador. Enquanto o circuito exterior \u00e9 uma demonstra\u00e7\u00e3o da liga\u00e7\u00e3o el\u00e9ctrica para utilizar o atuador.<\/li>
                      • Se tiver outros requisitos espec\u00edficos sobre o circuito de liga\u00e7\u00e3o, n\u00e3o hesite em contactar o nosso apoio t\u00e9cnico.\u00a0<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                        When troubleshooting on-site, you can contact our technical service team immediately to jointly troubleshoot the issue and determine the solution.<\/p>

                        Contact number: 13026331611 (Mr. Chen)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

                        Este guia aplica-se aos atuadores moduladores ultracompactos DCL, modelo DCL-02E. Falhas comuns e m\u00e9todos de resolu\u00e7\u00e3o de problemas: Falha Causa poss\u00edvel M\u00e9todo de resolu\u00e7\u00e3o de problemas O atuador n\u00e3o abre nem fecha na inicializa\u00e7\u00e3o 1. Fia\u00e7\u00e3o incorreta Verifique a fia\u00e7\u00e3o de acordo com o diagrama de fia\u00e7\u00e3o do atuador para confirmar se est\u00e1 correta. 2. Fonte de alimenta\u00e7\u00e3o incorreta [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[103],"tags":[53],"class_list":["post-6034","post","type-post","status-publish","format-standard","hentry","category-mr-actuator","tag-actuator"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/posts\/6034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/comments?post=6034"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/posts\/6034\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/media?parent=6034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/categories?post=6034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/pt_pt\/wp-json\/wp\/v2\/tags?post=6034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}