Napoleon Gas Fireplace: Blower noisy, vibrating or rattling
Blower noisy, vibrating or rattling on a Napoleon gas fireplace: Fireplace convection blower makes noise.
Applies to: Napoleon gas fireplaces - direct vent, natural vent and vent-free (general service manual)
Common causes of blower noisy, vibrating or rattling
- Speed switch out of calibration
- Running on high
- Dirty fins
- Drywall dust in bearings
- Loose mounting
- No vibration pad
- Wires touching fins
How to fix blower noisy, vibrating or rattling: step by step
- Noisy on low: recalibrate the variable speed switch - meter on the blower terminals, switch on 'low', turn calibration screw until it reads 93 volts.
- Noisy on high: lower the speed.
- Clean the fins with a duster, brush or vacuum.
- After drywall/construction work, dust may be in the bearings - clean or replace the blower.
- Vibrating: tighten blower screws and wingnut; install a vibration pad if the installation instructions call for one.
- Ticking/rattling: secure harness wires or debris away from the fins.
If the unit shows an error code, look it up: Napoleon Gas Fireplace codes
Models
Source: Napoleon (Wolf Steel) Service Manual W415-0118, Part 4 Other Issues, Blower Flowchart, p.29. 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.