| Error Code | Meaning | Solution | | :--- | :--- | :--- | | or OPN | Sensor is disconnected or broken | Check sensor wiring at terminals 5 & 6. Replace thermistor. | | SHr | Sensor is short-circuited | Inspect sensor cable for damage. Replace sensor. | | HHH | Temperature > P6 alarm setting | Reduce temperature or increase P6 value. | | LLL | Temperature < P7 alarm setting | Increase temperature or lower P7 value. | | Err | EEPROM failure (rare) | Set P8=1 to reset unit. If persists, replace controller. | | Flashes rapidly | Relay stuck or power surge | Power cycle unit. Check for inductive load (motor) without a snubber. |

Controls DC loads up to 30V/10A or AC loads up to 220V/5A . Timing Range: Adjustable from 0.01 seconds to 9999 minutes .

Upon opening the XY-WJ01 manual, users are greeted with a detailed table of contents, allowing for easy navigation through various sections. The manual is divided into several key areas: