# Maintenance and service

The SMD3 contains no user-serviceable parts.

### <span style="color: rgb(0, 0, 0);">Cleaning</span>

If the instrument requires cleaning, disconnect the power and all other connections, and wipe it down with a cloth slightly dampened with water or a mild detergent.

### <span style="color: rgb(0, 0, 0);">Troubleshooting</span>

<table border="1" cellpadding="0" cellspacing="0" class="MsoNormalTable" id="bkmrk-problem-resolution-r" style="width: 827px; border-collapse: collapse; border: none;" width="680"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes; height: 11.35pt;"><td style="width: 269.59px; border: 1pt solid rgb(127, 127, 127); background: rgb(109, 111, 113); padding: 2.85pt 5.4pt; height: 11.35pt;" width="198"><span style="color: rgb(255, 255, 255);">Problem</span>

</td><td style="width: 553.421px; border-top: 1pt solid rgb(127, 127, 127); border-right: 1pt solid rgb(127, 127, 127); border-bottom: 1pt solid rgb(127, 127, 127); border-image: initial; border-left: none; background: rgb(109, 111, 113); padding: 2.85pt 5.4pt; height: 11.35pt;" width="482"><span style="color: rgb(255, 255, 255);">Resolution</span>

</td></tr><tr style="mso-yfti-irow: 1;"><td style="width: 269.59px; border-right: 1pt solid rgb(127, 127, 127); border-bottom: 1pt solid rgb(127, 127, 127); border-left: 1pt solid rgb(127, 127, 127); border-image: initial; border-top: none; background: rgb(244, 244, 244); padding: 2.85pt 5.4pt;" valign="top" width="198"><span style="color: black; mso-color-alt: windowtext;">Red and green status indicators off</span>

</td><td style="width: 553.421px; border-top: none; border-left: none; border-bottom: 1pt solid rgb(127, 127, 127); border-right: 1pt solid rgb(127, 127, 127); background: rgb(244, 244, 244); padding: 2.85pt 5.4pt;" valign="top" width="482"><span style="color: black; mso-color-alt: windowtext;">Check that the power supply to SMD3 is correctly connected and meets the requirements given in section </span><span style="color: black; mso-color-alt: windowtext;">[Technical Information](https://bookstack.vps-da8d40f3.arunmicro.com/link/5#bkmrk-%C2%A0)</span>

</td></tr><tr style="mso-yfti-irow: 2;"><td style="width: 269.59px; border-right: 1pt solid rgb(127, 127, 127); border-bottom: 1pt solid rgb(127, 127, 127); border-left: 1pt solid rgb(127, 127, 127); border-image: initial; border-top: none; padding: 2.85pt 5.4pt;" valign="top" width="198">Red status indicator flashing or lit solidly

</td><td style="width: 553.421px; border-top: none; border-left: none; border-bottom: 1pt solid rgb(127, 127, 127); border-right: 1pt solid rgb(127, 127, 127); padding: 2.85pt 5.4pt;" valign="top" width="482">Each indication corresponds to a fault, review section [Faults](https://bookstack.vps-da8d40f3.arunmicro.com/link/10#bkmrk-types-of-fault)

</td></tr><tr style="mso-yfti-irow: 3;"><td style="width: 269.59px; border-right: 1pt solid rgb(127, 127, 127); border-bottom: 1pt solid rgb(127, 127, 127); border-left: 1pt solid rgb(127, 127, 127); border-image: initial; border-top: none; background: rgb(244, 244, 244); padding: 2.85pt 5.4pt;" valign="top" width="198"><span style="color: black; mso-color-alt: windowtext;">Motor does not move when commanded</span>

</td><td style="width: 553.421px; border-top: none; border-left: none; border-bottom: 1pt solid rgb(127, 127, 127); border-right: 1pt solid rgb(127, 127, 127); background: rgb(244, 244, 244); padding: 2.85pt 5.4pt;" valign="top" width="482"><span style="color: black; mso-color-alt: windowtext;">Is a fault present? Check the red status indicator on the front panel, and use the SMD3 software or remote interface to determine the nature of the fault. After the fault has been fixed, run the CLR command, or use the reset fault input to restore normal operation  
  
</span>

<span style="color: black; mso-color-alt: windowtext;">Check the motor wiring to the SMD3; disconnect the motor, and use a multimeter to measure the resistance of each phase, see section [Lead Identification](https://bookstack.vps-da8d40f3.arunmicro.com/link/7#bkmrk-lead-identification)</span><span style="color: black; mso-color-alt: windowtext;">, which should be approximately 3 – 15 ohms </span>

</td></tr><tr style="mso-yfti-irow: 4; mso-yfti-lastrow: yes;"><td style="width: 269.59px; border-right: 1pt solid rgb(127, 127, 127); border-bottom: 1pt solid rgb(127, 127, 127); border-left: 1pt solid rgb(127, 127, 127); border-image: initial; border-top: none; padding: 2.85pt 5.4pt;" valign="top" width="198">Joystick does not work

</td><td style="width: 553.421px; border-top: none; border-left: none; border-bottom: 1pt solid rgb(127, 127, 127); border-right: 1pt solid rgb(127, 127, 127); padding: 2.85pt 5.4pt;" valign="top" width="482">Is joystick mode selected?

If you want to switch to joystick mode automatically on connection of the joystick, see setting [AUTOJS](https://bookstack.vps-da8d40f3.arunmicro.com/link/14#bkmrk-%C2%A0-15) and section [Joystick](https://bookstack.vps-da8d40f3.arunmicro.com/link/10#bkmrk-joystick). The joystick must be wired correctly for the auto-detect function to work as described in section [Joystick](https://bookstack.vps-da8d40f3.arunmicro.com/link/10#bkmrk-joystick)<span style="mso-spacerun: yes;">[ ](https://bookstack.vps-da8d40f3.arunmicro.com/link/10#bkmrk-joystick) </span>

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### <span style="color: rgb(0, 0, 0);">Storage and disposal</span>

The product must be disposed of in accordance with the relevant local regulations for the environmentally safe disposal of systems and electronical components.

<table border="0" cellpadding="0" cellspacing="0" class="MsoNormalTable" id="bkmrk-in-the-united-kingdo" style="border-collapse: collapse; width: 103.088%;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes; mso-yfti-lastrow: yes;"><td class="align-center" style="width: 8.5184%; padding: 0cm 5.4pt; border-style: hidden; vertical-align: middle;" width="47"><span style="mso-no-proof: yes;">![](https://bookstack.vps-da8d40f3.arunmicro.com/uploads/images/gallery/2023-10/embedded-image-exg78epy.png)  
</span>

</td><td style="width: 91.4802%; padding: 0cm 5.4pt; border-style: hidden;" valign="top" width="604">In the United Kingdom (UK) and European Union (EU), waste from electrical and electronic equipment (WEEE) is subject to legislation designed to prevent the disposal of such waste and to encourage proper treatment measures to minimize the amount of waste ultimately disposed to landfill. To view AML’s WEEE policy please visit: [https://arunmicro.com/documentation/WEEE\_procedure.pdf](https://arunmicro.com/documentation/WEEE_procedure.pdf)

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### <span style="color: rgb(0, 0, 0);">Assistance</span>

In the first instance, contact the distributor or supplier of the equipment. Always quote the serial number of the instrument and firmware and software versions. Provide a written description of the problem. If the problem is related to a motor or mechanism manufactured by AML, include the serial number(s) of those items. Do not return products to AML without prior approval.

Arun Microelectronics Ltd  
Tel: +44 (0)1903 884141  
Email: info@arunmicro.com  
Website: [arunmicro.com](https://arunmicro.com/)