Nordyne O5LD-091A-12-R, Инструкция по установке, эксплуатации и обслуживанию

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Troubleshooting
IMPORTANT
:
Due to the potential hazard
of line voltage, only a trained, experienced
service technician should perform the
troubleshooting procedure.
PRELIMINARY STEPS
:
Check the diagnostic light for indications of burner
condition. Refer to the oil primary control LED
DIAGNOSTIC LIGHT
section for details.
WHEN SIMULATING A CALL FOR HEAT
AT THE OIL PRIMARY CONTROL,
DISCONNECT AT LEAST ONE
THERMOSTAT LEAD WIRE FROM THE T1 -
T2 TERMINALS TO PREVENT DAMAGE TO
THE THERMOSTAT. NEGLECTING THIS
PROCEDURE MAY BURN OUT THE HEAT
ANTICIPATOR OF A STANDARD 24 VAC
THERMOSTAT, OR CAUSE HARM TO
COMPONENTS WITHIN A MICRO-
ELECTRONIC THERMOSTAT.
Before checking the oil primary control, perform
these preliminary checks, (repair or replace
controls as necessary):

Check the power supply; fuse box or
breaker, any service switches, all wiring
connections, and burner motor reset
button (if equipped).

Check the limit switches to ensure that the
switch contacts are closed.

Check the electrode gap and position.

Check the contacts between the oil
primary control and the electrodes.

Check oil supply (tank gauge).

Check the oil nozzle, oil filter, and oil
valves.

Check the piping or tubing to the oil tank.

Check the oil pump pressure.
Check Oil Primary Control and Igniter
If the trouble does not appear to be in the burner or
ignition hardware, check the oil primary control and the
igniter by using the following equipment:
Screwdriver, Voltmeter (0 - 150 V
AC
)
Insulated jumper wires with both ends stripped.
ELECTRICAL SHOCK HAZARD.
TROUBLESHOOTING IS DONE WITH THE
SYSTEM POWERED. BE CAREFUL TO OBSERVE
ALL NECESSARY PRECAUTIONS TO PREVENT
ELECTRICAL SHOCK OR EQUIPMENT DAMAGE.
Preliminary Checks
:
Make sure that limit switches are closed and contacts are
clean.
Check for line voltage power on the oil primary control
black and white lead wires.
Refer to Table C-4 or C-5 for further troubleshooting
information.
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