: Dual-limit control (heating and cooling) with a single-chip microcomputer for accuracy. Safety/Monitoring
Relays connection to the compressor or heating element. 5. Maintenance & Safety
| Problem | Possible Solution | |-----------------------|-------------------------------------------| | No power | Check adapter connection / wall outlet | | Overheating | Ensure vents are clear | | No output signal | Verify cable connections; restart unit | | Buttons unresponsive | Perform a reset (see section 6) |
Use the control panel buttons to define the high-temperature (stop) and low-temperature (start) thresholds.