Maintaining Your Heater; Troubleshooting Chart; Authorized Service Representative - Cadet RCP502S Owner's Manual

Maintenance As Needed, or every six months minimum.
WARNING: Any other service not detailed in this Owner's Guide should be performed by an

authorized service representative.

1. Allow the heater to cool, then disconnect the power cord from
power supply. To disconnect heater, turn control to "OFF", then
remove plug from receptacle.
2. Remove front diffuser grill by removing the four screws (one
from each corner).
3. Wash grill with hot soapy water and dry, or use air compressor
to blow debris from grill louvers.
*CONSULT LOCAL ELECTRICAL CODES TO DETERMINE WHAT WORK MUST BE PERFORMED BY QUALIFIED
ELECTRICAL SERVICE PERSONNEL. ALWAYS UNPLUG HEATER BEFORE SERVICING.
Symptom Problem
The plug does not 1. Heater is 240 volt requiring a 20 amp
fit receptacle. or 30 amp 240 volt receptacle (see
Figure 1 in "INSTALLATION INSTRUC-
TIONS").
Heater does not 1. Heater is or has been blocked.
operate.
2. Thermostat set too low.
3. Circuit breaker not turned on.
4. Loose plug connection.
5. Defective manual reset limit.
Elements heat, 1. Jammed fan blade.
fan does not 2. Defective motor.
operate.
Heater fan 1. Manual reset limit tripped.
operates, 2. ON/AUTO switch is "ON" and thermo-
but does not stat setting is below actual temperature.
discharge warm 3. Defective heater elements.
air. 4. Wire loose from elements.
5. Temperature rise on heater is 40°F.
Heater does not 1. Heat loss from area is greater than
shut off. heater capacity.
2. Defective thermostat.
3. ON/AUTO switch in "ON" position.
Heater 1. Dust, dirt, and lint accumulated inside
discharges the heater.
smoke.
2. Jammed blade.
Manual reset limit 1. Overheating.
trips repeatedly.
2. Overheating at shutdown.
3. Overheating from excessive dust or
dirt particles.
4. Overheating due to elevation of
location.

MAINTAINING YOUR HEATER

Troubleshooting Chart

4. While holding fan (to avoid damage or bending), use an air com-
pressor, hair dryer or vacuum on blow cycle to blow debris through
the outer cabinet louvers and finned elements.
5. Vacuum or blow air inside fan area without touching the ele-
ments.
6. Carefully wipe off the fan blade without damaging or bending it.
7. Replace diffuser grill and secure with screws.
Solution
1. DO NOT alter cord. Install the proper 240 volt receptacle (see Fig-
ure 1 in "INSTALLATION INSTRUCTIONS").*
1. Remove obstruction. Push manual reset button found in front lower
panel.
2. Turn knob clockwise until a click sound is heard.
3. Turn circuit breaker on.
4. Check plug connection.
5. Replace manual reset limit.*
1. Remove obstruction.
2. Replace fan motor.*
1. Allow heater to cool, then push reset.
2. Increase the thermostat setting; turn ON/AUTO switch to "AUTO".
3. Replace elements.*
4. Check and correct loose wire.
5. Close doors or windows. Provide additional insulation and/or heat-
ers. Wait for room to warm up.
1. Close doors or windows. Provide additional insulation and/or
heaters.
2. Replace thermostat.*
3. Change ON/AUTO switch to "AUTO" setting.
1. Clean heater. (See "MAINTAINING YOUR HEATER" section for
instructions). Blow dirt accumulation off heater with compressed air
(air compressor recommended).
2. Remove obstruction.
1. Check all clearance requirements. 6" minimum clearance required
between top of heater and ceiling. Heater is not recommended for
ceiling mount.
2. Discontinue use of breaker to control heater.
3. Clean heater (See "MAINTAINING YOUR HEATER" section for
instructions).
4. Location elevation exceeds recommended 7500 feet.
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