Do you know if your unit is running ? Share public link
A: The most common default is 3 (three). If that fails, try 5 , 55 , 22 , or 0 . If none work, the password has been changed by a previous technician. You may need to contact technical support for a backdoor reset code.
While this guide covers 95% of typical scenarios, you should keep the original manufacturer’s manual on hand. Official PDFs are available from: eliwell sb655 c manual
The display shows the first parameter code or requires the password PA1 .
: Fault on probe 1 or 2 (shorted or interrupted). Check probe type parameter H00 to ensure it matches the physical sensor. Do you know if your unit is running
| Model | Description | |-------|-------------| | SB655C | 230Vac, PTC/NTC, 2 relays | | SB655C 12V | 12Vac/dc version | | NP010 | NTC probe (103AT-2, 3m cable) | | PP010 | PTC probe (3m cable) | | FPL200 | Panel gasket for IP65 |
Release the key. Use the UP and DOWN arrows to cycle through folders (e.g., CP for compressor, dF for defrost, AL for alarms). If none work, the password has been changed
: To enter the full menu, press and hold the SET button for more than five seconds until "PA2" appears.
Press and hold the key for more than 5 seconds.
Proper installation and wiring are critical for reliable operation. The following wiring map for the main SB655 base highlights key connections, but always cross-reference with the controller's specific diagram, as accessory connections may vary.