Troubleshooting

Issue Possible Cause Suggested Solution
Not heating Low battery Fully charge before use
Power button unresponsive (while charging) Device is connected to power Unplug and try again
Power button unresponsive (damaged) Power button failure Contact customer support
Shuts down halfway during use Battery not fully charged / battery aging Charge fully or contact hello@ocoopa-uk.co.uk
Shorter heating duration Low ambient temperature Wrap with cloth to keep warm; or battery life may be reduced
Charging takes too long Extreme temperature environment Charge in an environment of 32°F–104°F (0–40°C)
Cannot charge (LED not on) Poor contact / unstable power supply / damaged cable Check connection, replace cable or power source; if issue persists, contact support
Phone not charging Loose connection or wrong port Reconnect or switch USB port; note: heating stops when charging a phone