HVACopediaNTI · Boiler
Alert 42 Alert PCB in Program Module was too large for product
What the control is telling you
Alert PCB in Program Module was too large for product.
Applies to: Trinity Tft60, Tft85, Tft110, Tft154, Tft201, Tft285, Tft340, Tft399
Models that show this code
13 models in Trinity Tft
Other codes on the same units
- Alert 40 Parameter PCB in Program Module is too large for product
- Alert 41 Range PCB in Program Module was too large for product
- Alert 41 Range PCB in Program Module was too large for product
- Alert 42 Alert PCB in Program Module was too large for product
- Alert 43 IAS start check was forced on due to IAS enabled
- Alert 43 IAS start check was forced on due to IAS enabled
- Alert 44 Low voltage was detected in safety processor
- Alert 44 Low voltage was detected in safety processor
Save it for the next call
Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.
Source: NTI Trinity Tft399 Installation and Operation Manual (2018-09-07), Sec. 16.0 Troubleshooting, Table 16-4. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.