{"id":6033,"date":"2023-08-03T20:44:54","date_gmt":"2023-08-03T12:44:54","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6033"},"modified":"2025-03-27T09:47:56","modified_gmt":"2025-03-27T09:47:56","slug":"dcl-02-on-off-actuator","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/fr_be\/soutien\/mr-actuator\/dcl-02-on-off-actuator","title":{"rendered":"Common faults & troubleshooting for DCL-02 ON-OFF actuators"},"content":{"rendered":"
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This guide is applicable to the DCL Ultra-Small Series actuators, with the following models:<\/p>

  • DCL-02A<\/p><\/li>

  • DCL-02B<\/p><\/li>

  • DCL-02G<\/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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    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<\/p>
    Fault<\/strong><\/th>Possible Causes<\/strong><\/th>Troubleshooting Methods<\/strong><\/th><\/tr><\/thead>
    Actuator does not open or close on initial start<\/strong><\/td>1. Incorrect wiring<\/td>Check the wiring according to the actuator\u2019s wiring diagram.<\/td><\/tr>
    \u00a0<\/td>2. Incorrect power supply<\/td>Ensure the power supply voltage is within \u00b110% of the actuator\u2019s rated voltage and the current is 3 times the rated current.<\/td><\/tr>
    \u00a0<\/td>3. Faulty control switch or relay<\/td>Measure the input voltage at the actuator’s control terminal using a multimeter to verify it matches expectations.<\/td><\/tr>
    \u00a0<\/td>4. Control system mismatch<\/td>Test the actuator with a mechanical switch. If it operates normally, verify the control system’s output logic.<\/td><\/tr>
    \u00a0<\/td>5. Multiple actuators or actuators and other devices connected in parallel<\/td>Switch actuators should use single-path control and not be wired in parallel, as this affects the startup capacitor.<\/td><\/tr>
    Actuator can only open or close<\/strong><\/td>1. Incorrect wiring<\/td>Check the wiring using the actuator\u2019s wiring diagram.<\/td><\/tr>
    \u00a0<\/td>2. Incorrect full open\/close cam setting<\/td>Refer to the “How to Set Electric Switch-Type Valves” guide and correctly set the cam positions.<\/td><\/tr>
    Actuator stops in the middle of travel<\/strong><\/td>1. Valve jammed<\/td>Check for blockages in the valve. Clear any obstruction and retry after the actuator’s overload protection cools.<\/td><\/tr>
    \u00a0<\/td>2. Solid material in fluid causing valve jam<\/td>Inspect the fluid for solid particles causing valve jams. Clear the jam and retry after the actuator\u2019s overload protection cools.<\/td><\/tr>
    \u00a0<\/td>3. Incorrect full open\/close stopper setting<\/td>Refer to the “How to Set Electric Switch-Type Valves” guide and correctly adjust the stopper positions.<\/td><\/tr>
    Unable to turn actuator using the handle<\/strong><\/td>1. Solid material in fluid causing valve to seize<\/td>Check for blockage in the valve. Clear the blockage and retry after the actuator\u2019s overload protection cools.<\/td><\/tr>
    \u00a0<\/td>2. Valve seizing<\/td>Inspect the valve for jamming. Clear the blockage and retry after the actuator\u2019s overload protection cools.<\/td><\/tr>
    \u00a0<\/td>3. Damaged actuator reduction mechanism<\/td>Remove the actuator from the valve and rotate the handle. If it doesn\u2019t move, replace the actuator.<\/td><\/tr>
    No position feedback signal<\/strong><\/td>1. Incorrect wiring at the switch<\/td>Check the wiring according to the actuator\u2019s wiring diagram.<\/td><\/tr>
    \u00a0<\/td>2. Incorrect full open\/close cam setting<\/td>Refer to the “How to Set Electric Switch-Type Valves” guide and set the cam position correctly.<\/td><\/tr>
    \u00a0<\/td>3. Overcurrent causing position feedback switch damage<\/td>1. Check if the full open\/close cam is pressing on the position feedback switch correctly, as per the guide.<\/td><\/tr>
    \u00a0<\/td>\u00a0<\/td>2. Measure if the position feedback circuit is closed.<\/td><\/tr><\/tbody><\/table>

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    Verify that the operating conditions meet the parameter requirements.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    Electric actuators may fail due to improper use or being used in incorrect operating conditions. When used within the operating conditions defined in the product specifications, the actuator can be expected to operate reliably for an extended period without failure.<\/p>

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

    • Supply Current:<\/strong> The starting current of the motor is significantly higher than the rated current. To ensure reliable operation, use a power supply capable of delivering at least 3 times the rated current of the actuator.<\/p><\/li>

    • Temperature:<\/strong> Ensure the actuator operates within its rated temperature range. Using the actuator outside this range may result in poor performance, reduced lifespan, and eventual failure.<\/p><\/li>

    • Environment:<\/strong> The DCL switch-type actuator has an IP67 weatherproof rating, making it suitable for both indoor and outdoor applications. It offers a degree of protection against rain and splashing water, helping to prolong the actuator\u2019s life by shielding it from rain, snow, ice, and UV (sunlight). However, in highly corrosive environments, electronic components may fail prematurely. Non-explosion-proof actuators should not be used in explosive environments.<\/p><\/li>

    • Duty Cycle:<\/strong> The DCL switch-type actuator has a duty cycle of 70% (42 seconds of operation per minute, followed by 18 seconds of rest). Exceeding this duty cycle may cause the motor to enter thermal protection.<\/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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      Ensure the actuator is wired correctly according to the wiring diagram provided by the manufacturer. Follow these steps to verify the wiring:<\/p>

      1. Power Supply:<\/strong><\/p>

        • Check the power supply connections to ensure they match the actuator’s required input voltage and current.<\/p><\/li><\/ul><\/li>

        • Control Connections:<\/strong><\/p>

          • Verify that the input and output control connections are securely attached and in the correct configuration as per the actuator\u2019s wiring diagram.<\/p><\/li><\/ul><\/li>

          • Signal Wiring:<\/strong><\/p>

            • Check the wiring for control signals, such as 4-20mA or 0-10V, depending on the actuator\u2019s specifications.<\/p><\/li>

            • Confirm that there are no loose connections or short circuits.<\/p><\/li><\/ul><\/li>

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

              • Ensure that the actuator is properly grounded to prevent electrical interference or damage.<\/p><\/li><\/ul><\/li>

              • Connections to Other Equipment:<\/strong><\/p>

                • If the actuator is connected to other devices, make sure those connections are also correct and do not cause interference or power issues.<\/p><\/li><\/ul><\/li><\/ol>

                  If the wiring appears correct, but the actuator is still malfunctioning, further troubleshooting or assistance from a technician may be necessary.<\/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

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                  A - Avec 2 sorties de signal de position finale actives<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                  • Actionneur de commande pour ouvrir ou fermer avec K<\/li>
                  • La borne de sortie de la position finale OUVERTE\/FERM\u00c9E enverra l'\u00e9v\u00e9nement sous la forme d'un signal actif de 220 V CA lorsque la position finale sera atteinte.<\/li><\/ul>

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                    D\u00e9tails de connexion\u00a0:<\/strong><\/p>

                    1. Raccordement du neutre de l'alimentation AC85-220V \u00e0 P1.<\/li>
                    2. Mettez le commutateur de la ligne AC85-220V sur FERM\u00c9 (P2) pour fermer la vanne.<\/li>
                    3. Mettez la ligne AC85-220V sur OUVERT (P3) pour ouvrir la vanne.<\/li>
                    4. P5 est une borne OPEN en position finale qui fournira une source AC220V pouvant \u00eatre utilis\u00e9e pour alimenter un voyant lumineux lorsque l'actionneur a atteint la position finale ouverte.<\/li>
                    5. P6 est une borne OUVERTE en position finale qui fournira une source de courant alternatif de 220 V pouvant \u00eatre utilis\u00e9e pour alimenter un voyant lumineux lorsque l'actionneur a atteint la position ferm\u00e9e.<\/li>
                    6. Reliez la terre \u00e0 P7.<\/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
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                      B - With 2 passive end-position switche<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                      • Actionneur de commande pour ouvrir ou fermer avec K<\/li>
                      • La borne de sortie de la position finale OUVERTE\/FERM\u00c9E enverra l'\u00e9v\u00e9nement sous forme de signal passif lorsque la position finale sera atteinte.<\/li><\/ul>

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                        D\u00e9tails de connexion\u00a0:<\/strong><\/p>

                        1. Raccordement du neutre de l'alimentation AC85-220V \u00e0 P1.<\/li>
                        2. Mettez le commutateur de la ligne AC85-220V sur FERM\u00c9 (P2) pour fermer la vanne.<\/li>
                        3. Mettez la ligne AC85-220V sur OUVERT (P3) pour ouvrir la vanne.<\/li>
                        4. P4 est le COM pour le signal de contact passif de position finale OUVERT\/FERM\u00c9 qui est normalement connect\u00e9 au signal GND.<\/li>
                        5. P5 est la borne OPEN de fin de course qui sera connect\u00e9e \u00e0 COM lorsque l'actionneur atteindra la position d'ouverture finale.<\/li>
                        6. P6 est la borne de fermeture de fin de course qui sera connect\u00e9e \u00e0 COM lorsque l'actionneur atteindra la position de fermeture finale.<\/li>
                        7. Reliez la terre \u00e0 P7.<\/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
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                          Moteur \u00e0 courant continu G avec 2 interrupteurs de fin de course<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                          • Actionneur de commande pour s'ouvrir ou se fermer en fonction du sens d'alimentation entre les bornes 1 et 2<\/li>
                          • La borne de sortie de la position finale OUVERTE\/FERM\u00c9E enverra l'\u00e9v\u00e9nement sous forme de signal passif lorsque la position finale sera atteinte.<\/li><\/ul>

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                            D\u00e9tails de connexion\u00a0:<\/strong><\/p>

                            1. Connecter le DC24V+ \u00e0 P1 et le DC24V- \u00e0 P2 pour fermer la vanne.<\/li>
                            2. Connecter DC24V+ \u00e0 P2 et DC24V- \u00e0 P1 pour fermer la vanne.<\/li>
                            3. P3 est le COM pour le signal de contact passif de position finale OUVERT\/FERM\u00c9 qui est normalement connect\u00e9 au signal GND.<\/li>
                            4. P4 est la borne OPEN de fin de course qui sera connect\u00e9e \u00e0 COM lorsque l'actionneur atteindra la position d'ouverture finale.<\/li>
                            5. P5 est la borne de fermeture en fin de course qui sera connect\u00e9e \u00e0 COM lorsque l'actionneur atteindra la position de fermeture.<\/li>
                            6. Reliez la terre \u00e0 P7.<\/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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                              Note:<\/p>

                              • Le circuit \u00e0 l'int\u00e9rieur du cadre en pointill\u00e9s repr\u00e9sente le circuit interne de l'actionneur. Le circuit ext\u00e9rieur illustre le branchement \u00e9lectrique n\u00e9cessaire \u00e0 l'utilisation de l'actionneur.<\/li>
                              • Si vous avez d'autres exigences sp\u00e9cifiques concernant le raccordement du circuit, n'h\u00e9sitez pas \u00e0 contacter notre assistance technique.\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 conducting troubleshooting on-site, feel free to contact our technical service personnel immediately for assistance in diagnosing and resolving the issue.
                                Contact phone 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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

                                This guide is applicable to the DCL Ultra-Small Series actuators, with the following models: DCL-02A DCL-02B DCL-02G Common Faults and Troubleshooting Methods \u00a0 Fault Possible Causes Troubleshooting Methods Actuator does not open or close on initial start 1. Incorrect wiring Check the wiring according to the actuator\u2019s wiring diagram. \u00a0 2. Incorrect power supply Ensure […]<\/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-6033","post","type-post","status-publish","format-standard","hentry","category-mr-actuator","tag-actuator"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/posts\/6033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/comments?post=6033"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/posts\/6033\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/media?parent=6033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/categories?post=6033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/fr_be\/wp-json\/wp\/v2\/tags?post=6033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}