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 immediately, or use air
compressor to blow debris from grill louvers.
*CONSULT LOCAL ELECTRICAL CODES TO DETERMINE WHAT WORK MUST BE PERFORMED BY QUALIFIED
Symptom Problem
The plug does not 1. Heater is 240 volt requiring a 20 amp
fit receptacle. or 30 amp 240 volt receptacle (see Fig-
ure 1 in "User Instructions").
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. Defective fan delay relay.
fan does not 2. Jammed fan blade.
operate. 3. Defective motor.
Heater fan 1. Manual reset limit tripped.
operates, 2. Fan switch is "ON" and thermostat
but does not 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. Fan switch in "ON" position.
4. Fan dispersing warm air after shut-
down.
Heater 1. Dust, dirt, and lint accumulated inside
discharges the heater.
smoke.
2. Jammed fan 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

ELECTRICAL SERVICE PERSONNEL.
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
Figure 1 in "User Instructions") or return the heater in its original
condition.*
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. Replace the fan delay relay.*
2. Remove obstruction.
3. Replace fan motor.*
1. Allow heater to cool, then push reset.
2. Increase the thermostat setting; turn fan 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 fan switch to "AUTO" setting.
4. Fan will shut off in approximately 90 seconds.
1. Clean heater. (See "Maintaining Your Heater" section for instruc-
tions). 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, or replace time delay
switch.*
3. Clean heater (See "Maintaining Your Heater" section for instruc-
tions).
4. Location elevation exceeds recommended 7500 feet.
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