Section F; Troubleshooting - Toyotomi Oil Miser OM-180 Operation & Maintenance Instructions Manual

10. TEMPERATURE AND PRESSURE RELIEF VALVE (ONCE A MONTH)
The temperature and pressure relief valve may become immovable at times due to corrosion of
pipes or mineral deposits In the pipes. Pull up the lever of the temperature and pressure relief
valve every month and make sure the valve is movable.
11. PLUG AND RECEPTACLE (ONCE A MONTH)
Make sure the plug is free of dust. Be sure plug fits receptacle securely.
12. BURNER INSPECTION (ONCE SIX MONTH)
Check the burner and combustion area for soot. Clean if found.
13. GASKETS AND WASHERS (ONCE SIX MONTH)
Check for water leaks caused by improper sealing of the water pipe. If there are leaks, gaskets
or sealant must be replaced.
14. FLAME SENSOR (PHOTOELECTRIC CELL) (ONCE SIX MONTH)
a. Take out the ignition transformer by removing the two (2) bolts and
remove the four (4) screws from the blower bracket C-assembly.
b. Take out the flame sensor which is located to the right upper part of the
burner inside the cabinet.
c. If the beam receiving surface of the flame sensor becomes dirty or cont-
aminated, the unit will not operate properly. The beam receiving sur-
face should be wiped with a soft cloth every 6 months.
d. To install, make the protruding section at the side of the flame sensor
agree with the slot on the bracket and insert the flame sensor firmly up
to the bottom. (For easy installation, use pliers with long tapered noses
to grip and install the flame sensor.)
15. BLOWER MOTOR (ONCE SIX MONTH)
Make sure there is no dust on the blower motor fan.
16. HEAT EXCHANGER (ONCE A YEAR)
Open the drain valve at least once a year to drain the heat exchanger. Pull
up the lever of the temperature and pressure relief valve to allow air to
enter the heat exchanger.

SECTION F:

TROUBLESHOOTING

WARNING: RISK OF INJURY FROM MOVING PARTS AND ELECTRIC SHOCK.
Disconnect the power supply cord before servicing unit. All repairs should be left to
professionals.
WARNING: Do not re-use the unit until the cause of the problems have been determined.
CAUTION: RISK OF BURN INJURY. Do not touch the unit and the heat exchanger while in hot.
If there Is any abnormality, determine for the causes from the list below and perform the specified measure.
Consult your dealer if problems cannot be corrected from this chart.
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