Eliwell Sb655 C Manual ^new^ | TESTED | CHEAT SHEET |

Evaporator temperature probe reading at which defrost terminates. Fan Stop Temperature -50 to 50°C

: Press the FNC (function) key to return to the previous level or exit without saving. eliwell sb655 c manual

: Ensure you are reading the temperature correctly. On the display, the decimal point for the tenth of a degree is always in the lower section of the screen. An LED in the upper part can be mistaken for a decimal separator. Also, confirm that no external switches or the Economy function (which uses OSP ) are inadvertently shifting the target temperature. On the display, the decimal point for the

Electronic controllers for centralised air-conditioning units or heater is burnt out.

Exits menus without saving; exits current level. Press and hold to put the controller into standby mode (disabling all control outputs while keeping the display active). Accessing the Parameter Menus

Low-voltage (SELV) utilities must be wired separately from high-voltage lines to prevent electrical interference.

| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Probe 1 (Ambient) shorted or open circuit. | Check wiring on terminals 1 & 2. Replace probe (10k NTC). | | P2 | Probe 2 (Evaporator) fault. | Check wiring on terminals 3 & 4. Jumper between 1 & 4 present? | | HA | High temperature alarm (exceeded AL2). | Check if door is open, condenser is dirty, or gas is low. | | LA | Low temperature alarm (below AL1). | Check if setpoint is too low or if probe is unplugged in warm air. | | EE | Internal memory failure. | Controller is faulty. Replace SB655 C unit. | | cEF | Defrost timeout – evaporator did not end defrost. | Defrost duration (c5) too short, or heater is burnt out. | | dor | Door open alarm (if digital input enabled). | Close the door or check door switch terminals 5-7. |