Thermostat - Atwood 79 Series Service Manual

Guides are only intended for use on Atwood
Atwood ® training. This guide should be used in conjunction with the appropriate Instruction Manual provided with the
product and any applicable Industry Standards. This is not intended to be a complete list. Please direct questions
concerning service of Atwood
CAUSE
BLOWER DOES NOT RUN
Temperature selector out of place --------------------Re-set to desired position
Thermostat wires broken or disconnected ----------Not covered under warranty.
Heat anticipator burned out --------------------------Dead short (not covered under warranty). Repair short and then replace
No continuity through thermostat with
contacts closed and switch on. ----------------------Replace thermostat.
Continuity through thermostat with
contacts closed and switch on. ----------------------• Check and reestablish power to thermostat
FURNACE DOES NOT CYCLE PROPERLY
Furnace cycles too quickly ----------------------------Move anticipator to a higher amp setting to lengthen cycle. NOT covered
High temperature variance ----------------------------Move anticipator to a lower amp setting to shorten cycle. NOT covered under
Note: When the anticipator is set properly and the heating system has operated for a few hours, the furnace should
cycle 5-6 time per hour.
® products by service technicians who have successfully completed
® products to 800-825-4328 option 5 before proceeding.

thermostat.

Faulty relay drawing more than 1 amp. Replace relay and thermostat. Covered
under warranty.
• Reset tripped circuit breaker.
• Correct poor ground.
• Correct any loose wires.
• Replace defective relay.
• Replace defective motor.
under warranty.
Thermostat located too close to a heat duct. Move thermostat or duct outlet.
NOT covered under warranty.
warranty.
hydro flame Thermostat
TROUBLE SHOOTING GUIDE
SOLUTION
29
Effective: 8/10/98