Smith's RV Centre

Blower Does Not Run

Condition

Solution

• Temperature selector out of place

• Re-set to desired position

• Thermostat wires broken or disconnected

• Repair wires

• Heat anticipator burned out

• Dead short
• Repair short then replace thermostat
• Faulty relay drawing more than 1 amp
• Replace relay and thermostat

• No continuity through thermostat with contacts closed and switched on

• Replace thermostat

• Continuity through thermostat with contacts closed and switched on

• Check and re-establish power to
• Reset tripped circuit breaker
• Correct poor ground
• Correct any loose wires
• Replace defective relay
• Replace defective motor

• Furnace cycles too quickly

• Move anticipator to a higher amp
  setting to lengthen cycle

• High temperature variance

• Move anticipator to a lower amp
  setting to shorten cycle