Eliwell Sb655 C Manual __link__ -
3-digit LED display with automatic minus sign and decimal point Resolution: 0.1°C or 1°C (selectable via parameters)
Search for the exact string "SB655C_GB.PDF" – this is the original English manual file name used by Eliwell.
| Display | Cause | Action | |---------|-------|--------| | | Probe error (open/short) | Check probe/wiring. Replace if needed. | | HA | High temperature alarm (>AH) | Check cooling system, door closure. | | LA | Low temperature alarm (<AL) | Check setpoint, evaporator fan. | | EA | External alarm (digital input) | Check external device (door, pressure switch). | | dF | Defrost timeout (temp not reached) | Increase dE or check heater. | eliwell sb655 c manual
The “C” in the model number usually indicates a specific power supply or output configuration (often relay on output 1). Always verify the exact model code on the side sticker.
The SB655C has two levels of menus: and Programming . 3-digit LED display with automatic minus sign and
3 or more relay outputs (Model specific configuration): Compressor Relay: Typically 8A or 15A resistive. Defrost Relay: 8A resistive. Evaporator Fan Relay: 8A resistive. Display Range: -50.0∘Cnegative 50.0 raised to the composed with power C
Press and hold the key for more than 5 seconds. | | HA | High temperature alarm (>AH)
A: The base model has only one relay. You would need an external timer or an add-on module (like an Eliwell FRD) to manage defrost. The "SB655 C" is primarily a thermostat, not a defrost controller.