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READ THIS ENTIRE SECTION BEFORE BEGINNING
TO TROUBLESHOOT PROBLEMS.
This guide is intended for use by a QUALIFIED HEATER
SERVICE PERSON. DO N
NOT AATTEMPT TTO S
SERVICE TTHESE
HEATERS U
UNLESS YYOU H
HAVE B
BEEN PPROPERLY TTRAINED.
TEST EEQUIPMENT R
REQUIRED
The following pieces of test equipment will be required to
troubleshoot this system with minimal time and effort.
•
• D
Diiggiittaall M
Muullttiim
meetteerr - for measuring AC voltage and resistance.
•
• H
Hiigghh PPrreessssuurree G
Gaauuggee - for checking pressures at the fuel
pump against dataplate rating.
■
Visually inspect equipment for apparent damage.
■
Check all wiring for loose connections and worn
insulation.
Components should be replaced only after each step has
been completed and replacement is suggested in the flow
chart. Refer to the Servicing sections as necessary to
obtain information on disassembly and replacement
procedures of the component once the problem is identified
by the flow chart.
Troubleshooting Information
WARNING
■
This heater can start at any time.
■
Troubleshooting this system may require operating the
heater with line voltage present. Use caution when
working on the heater.
■
Failure to follow this warning may result in property
damage, personal injury or death.
Problem
Possible Cause
Remedy
Motor does not start,
No power
- Check power supply (should be 115-120V /1/ 60 Hz)
no ignition
- Check proper positioning and functioning of switch
- Check fuse
Wrong setting of room thermostat
- Check correct setting of heater control. If thermostat is
or other control
used make sure selected temperature is higher than
room temperature
Thermostat or other control defective
- Replace control device
Motor defective
- Replace motor
Motor bearings defective
- Replace motor
Capacitor defective
- Replace capacitor
Motor starts, no ignition
Igniter defective
- Check connection of spark igniter cable to electrodes
or cuts out
and transformer
- Check electrodes setting
- Check electrodes for cleanliness
- Replace H.T. transformer
Flame control box defective
- Replace control box
Photocell defective
- Clean or replace photocell
Not enough or no fuel at burner
- Check state of motor-pump plastic coupling
- Check fuel line system, including fuel filter, for
possible leaks
- Clean or replace oil nozzle
Solenoid defective
- Check electrical connection
- Check thermostat LI
- Clean or replace solenoid
Motor starts, heater
Not enough combustion air
- Make sure air inlet and outlet are free
emits smoke
- Check setting of combustion air flap
- Clean burner disc
Too much combustion air
- Check setting of combustion air flap
Fuel contaminated or contains water
- Drain fuel in tank, replace with clean fuel
- Clean oil filter
Air leaks in fuel circuit
- Check fuel line and filter for possible leaks
Not enough fuel at burner
- Check pump pressure
- Clean or replace fuel nozzle
Too much fuel at burner
- Check pump pressure
- Replace nozzle
Heater does not stop
Solenoid defective
- Replace complete solenoid assembly
Motor does not stop
Thermostat defective
- Replace thermostat
14
Содержание Director CP100AKI
Страница 16: ...Parts Identification 16 PARTS SCHEMATIC ...