COTEK Manuals & User Guides

COTEK Electronic Ind. Co., Ltd. is a technology-oriented manufacturer established in 1986, specializing in the design, development, and production of power electronic products. Headquartered in Taiwan, COTEK has built a reputation for innovation and quality in the power conversion industry. Their product portfolio includes high-efficiency pure sine wave inverters, advanced battery chargers, AC-DC power supplies, and inverter chargers suitable for diverse applications ranging from marine and vehicular power systems to industrial automation.

The company emphasizes robust R&D capabilities and strict quality assurance, often adhering to safety standards such as UL, CE, and FCC. COTEK products are designed to withstand harsh environments while delivering reliable power. Key product lines include the SP, SC, SD, and SR series inverters, as well as LiFePO4 battery solutions and remote control accessories. Support is provided through a global network of distributors and their main headquarters in Taoyuan City.

• What is the standard warranty period for COTEK inverters?

  COTEK typically guarantees its inverter products against defects in materials and workmanship for a period of 24 months from the date of purchase. LiFePO4 batteries may carry a longer warranty, such as 5 years, depending on the specific model.

• How do I reset my COTEK SN-1 PLUS module to default settings?

  To reset the SN-1 PLUS module to factory defaults, press and hold the designated Reset Button (B) on the front panel. While holding the button, insert the module back into the rack slot and wait for the LED to confirm power before releasing.

• Can I use third-party cables with COTEK remote controls?

  No. It is strongly advised to only use the remote control cables (RJ-11 or RJ-45) supplied with the device. Using different or incorrect cables can cause permanent damage to the inverter unit.

• What is the default password for COTEK network modules?

  The default login password for modules like the SN-1 PLUS or for RS-485 password settings is often '000000' (6 digits).