1. Manuals
  2. Brands
  3. Navien Manuals
  4. Boiler
  5. NCB-700-2S+/42K
  6. Service manual

Navien NCB-700-2S+/42K Service Manual page 77

Condensing combi boiler
Hide thumbs
Table of Contents

Advertisement

Fault
Possible causes
Testing method
Check the PCB DIP switch settings.
PCB DIP switch setting
errors
Other faults
* Check the correct resistance for flame detection AD.
PCB fault
If the error conditions continue after checking these items, replace the PCB.
76
Troubleshooting

Advertisement

Table of Contents
loading

Related Manuals for Navien NCB-700-2S+/42K

Related Products for Navien NCB-700-2S+/42K

This manual is also suitable for:

Ncb-700-3s/54k

Table of Contents