Qmark ASRV14 - Attic Ventilators - Manual (Page 6)

WARNING: The motor is thermally protected and automatically temperature controlled and may start
without warning; therefore, make certain that the power source is disconnected before
attempting to service or disassemble any components! If the power disconnect is out of
sight, lock it in the open position and tag to prevent application of power.
TROUBLE SHOOTING CHART
WARNING: Items marked with an asterisk (*), should be performed only by experienced and qualified
personnel.
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION
Excessive noise 1. Propeller blade contacting housing * 1. Realign or replace
2. Foreign material inside housing * 2. Clean
3. Motor loose * 3. Secure properly
4. Motor needs oiling * 4. See lubrication
5. Dirt accumulation on propeller, * 5. Clean
causing imbalance
Insufficient air flow 1. Not enough eave vents to provide * 1. See Installation
“make-up” air
2. Clogged screen . * 2. Clean or replace
Unit fails to operate 1. Blown fuse or open circuit breaker *1. Replace fuse or reset circuit
breaker
2. Motor *2. Replace
3. Thermostat *3. Replace
6
LUBRICATION: To prolong the life of the motor, oil motor every six months of use with S.A.E. 20
Motor Oil.