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The first step in identifying an operational problem is to determine
whether the fault is in the furnace or in the thermostat and/or its
connecting wiring.
To help make this determination, the furnace is equipped with a
“Thermostat ON” diagnostic light. If the light is “ON”, it indicates
the thermostat has closed and is calling for heat; the blower
should be running. If the light is “OFF”, the furnace should not be
operating.
1. If the furnace will not start:
Turn the thermostat to its highest setting. If the light goes on,
the thermostat has closed, so the fault is in the furnace. If the
light does not go on, the thermostat or its connecting wiring is
the problem.
2. If the furnace will not turn off:
Turn the thermostat to its lowest setting. If the light goes off and
the furnace continues to run, the thermostat has opened properly
and the fault is in the furnace. If the light stays on, the fault is
in the thermostat or its connecting wiring.
After the fault area is isolated by use of the diagnostic light, a check
of the following components can be made more efficiently.
TROUBLESHOOTING
PROBLEM POSSIBLE DEFECTIVE PARTS OR COMPONENTS
1. The furnace will not turn on
• Thermostat
• Circuit breaker or fuse is open
• Motor or capacitor
• S
PEED SELECTOR switch (open contact)
• Electronic control
• Transformer
2. Motor runs continuously • Thermostat wires incorrectly attached to furnace
3. Elements on, but motor does not run
• Motor or capacitor
• SPEED SELECTOR switch (open contact)
• Electronic control
4. Motor going on and off in short cycles
(or in too long cycles)
• Heat anticipator in thermostat incorrectly set
or may be defective
5. Must set thermostat much higher (or lower)
than the desired house temperature
• Thermostat is not leveled or out of calibration
6. Not enough heat
• One or more defective elements or relays
• SEASON SELECT switch in MILD position
• Safety limits opening because duct obstruction
or dirty filters are restricting air flow
• Defective or incorrectly wired two-stage
or outdoor thermostat
• Lack of enough cold air returns in house
7. Two-stage or outdoor thermostat not operating properly • SEASON SELECT switch not in MILD position
10
SIXTY-MONTH LIMITED WARRANTY FOR NORTRON PRODUCTS
Broan-NuTone Canada (Broan-NuTone) warrants to the original consumer purchaser of Notron products that such products will be free from defects in
materials or workmanship for a period of sixty (60) months from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this sixty-month period, Broan-NuTone will, at its option, repair or replace without charge, any product or part which is found to be defective under
normal use and service. This product or part should be shipped prepaid by the customer to the company factory or the nearest authorized service center.
THIS WARRANTY DOES NOT EXTEND TO FILTERS, FURNACE KITS SOLD SEPARATELY, DUCTS, AND ACCESSORIES FOR DUCTING. This warranty
does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper
maintenance or repair (other than by Broan-NuTone), faulty installation or installation contrary to recommended installation instructions. Broan-NuTone
does not accept any responsibility for transportation of repaired part or replaced product mentioned above and for reinstallation costs.
The duration of any implied warranty is limited to the sixty-month period as specified for the express warranty. Some jurisdictions do not allow limitation
on how long an implied warranty lasts, so the above limitation may not apply to you.
BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S OPTION, SHALL BE THE PURCHASER’S SOLE AND
EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL
DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some jurisdictions do not allow the exclusion
or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from province to another. This warranty supersedes all prior
warranties, and applies only in Canada territorial limits.
To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone number stated below, (b) give the model number and part
identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the
original purchase date.
Broan-NuTone Canada; 1140 Tristar Drive, Mississauga, ON L5T 1H9 www.broan.ca 877-896-1119