Rinnai Combi Boiler: Venturi reset on the PC board (code 170)
Venturi reset on the PC board (code 170) on a Rinnai combi boiler: Holding SW2 and SW3 together shows P, then PCL on a second hold.
Applies to: Rinnai I-Series Plus boilers and combis (150K and smaller, 175K and higher)
How to fix venturi reset on the pc board (code 170): step by step
- Press SW2 and SW3 together until P appears.
- Hold SW2 and SW3 together a second time until PCL appears.
If the unit shows an error code, look it up: Rinnai Combi Boiler codes
Models
I-Series Plus 150K and smaller
IP060160CIP090099CIP090160CIP090199CIP120199CIP150199C
I-Series Plus 175K and higher
Source: Rinnai Troubleshooting I-Series Plus Diagnostic Codes (800000375), Code 170 step 7 p.13. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.