Look for a sticker or printed text on the metal body of the spin-on filter (e.g., model 34724 ). Format: It is typically a 10-digit numeric code .
The serial number acts as an activation code that tells the software a fresh, genuine filter has been installed.
Press the Menu button on your machine's keypad.
Modern Robinair machines, such as the 34788NI or 34988NI, are programmed to lock down after filtering a specific amount of refrigerant (often 150 lbs / 68 kg) to protect the internal components from moisture and acid.
Robinair | Filter Serial Number
Look for a sticker or printed text on the metal body of the spin-on filter (e.g., model 34724 ). Format: It is typically a 10-digit numeric code .
The serial number acts as an activation code that tells the software a fresh, genuine filter has been installed.
Press the Menu button on your machine's keypad.
Modern Robinair machines, such as the 34788NI or 34988NI, are programmed to lock down after filtering a specific amount of refrigerant (often 150 lbs / 68 kg) to protect the internal components from moisture and acid.