8
INSSFEU0914
PROBLEM
DEFECTIVE PART OR PART TO CHECK
The unit does not work
- Defective thermostat, wrong thermostat setting or positionning
- Open circuit breaker or fuse
- Faulty connections
- Faulty motor or condensator
- Faulty blower control switch
- Faulty transformator
- See above: CONTROL CARD AUTODIAgNOSTIC
The unit runs continuously
- Defective thermostat, wrong thermostat setting or positionning
- Heat losses greater than the unit capacity
- Faulty relay
- Thermostat wire incorrectly connected to the furnace
- See above: CONTROL CARD AUTODIAgNOSTIC
The unit cycles under control of the thermal protection (overheat
indicator)
- Blocked air vents
- Defective motor
Overheating
- Defective thermostat, wrong thermostat setting or positionning
- Defective motor
The breaker trips when the heater is turned on
- Faulty connections
- Voltage higher than that indicated on the nameplate
Elements are on, but the motor does not work
- Defective motor or condensator
- Faulty relay
The desired room temperature cannot be reached
- One or more defective elements
- Defective thermostat or wrong thermostat setting
- Voltage lower than that indicated on the nameplate
- Heat losses greater than the unit capacity
- Faulty relay
ConTrol CArD AUToDIAGnoSTIC
The control card of the furnace is equipped with a pilot LED that allow easy and quick diagnostic of its essential functions. The yellow LED is
located at the top right side of the control panel (item #10 of the control panel picture).
The pilot LED will start to blink continuously when an electrical problem occurs.
N.B. If you do not solve the problem after checking these points, cut off the power supply at the main electrical panel and contact
our customer service (see the “Limited warranty” section to obtain the phone numbers).
troubleshooting
