Troubleshooting; Service Parts - Broan Ultra Pro Rb80Lc Guide D'installation

Page 13

Troubleshooting

Symptom: The fan does not run.
• Check for an open fuse or circuit breaker in the building's
service panel.
• Check that the plug-in connection for the Motor is seated
firmly in place.
• Check that the Blower Wheel spins freely.
Symptom: The fan runs erratically.
• Check that the Blower Wheel is firmly attached to the
Motor shaft and both spin freely.
Symptom: The fan seems noisy.
• Check that the back draft damper in the fan's Transition
pivots freely.
• Check that the back draft damper in the wall or roof cap
pivots freely. These dampers are sometimes mistakenly
painted shut or obstructed by bird and insect debris.
RB80LC

Service Parts

6
7
Order replacement
parts by Part No.,
not by Key No.
Key No. Part No. Description
1 97018349 Mounting Frame
2 97018721 Knockout Plate & Screws
3 97018382 Housing
4 97018448 Wiring Panel/Harness Assembly
5 97019521 Blower Assembly (RB80LC)
97019522 Blower Assembly (RB110LC)
6 97019520 Flange
7 97019466 Transition
8 97018871 Grille Assembly (includes 9, 10)
9 99140208 Grille Spring (2 req'd)
10 99111399 Lens
11 99271381 Bulb, GU24 18W 3500K Fluorescent (2 req'd)
 RB110LC Installation Guide
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