Toyotomi FB-38N(FS) - Manual (Page 16)

16
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.
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.
PROBLEM
ERROR
CODE
CAUSE SOLUTION
POWER LAMP FAILS
TO TURN ON - Disconnected power supply cord
Connect power supply cord.
ALARM LAMP
LIGHTS AFTER
TURNING ON. E3
E9
E9 Thermistor malfunction
Bi-metal switch activated
Thermal fuse activated Replace it.
Reset after eliminating cause.
Replace it.
At the start of operation
BLOWER MOTOR
OPERATES BUT
IGNITION FAILS. E2
E7
E7
E7
E7
E7
E7
E7
Flame sensor malfunction or
light is received on the receiving
surface of photoelectric cell
Abnormal location and
adjustment of electrode
Igniter malfunction.
Abnormal lowering of electrical
voltage
Out of fuel
Trapped air in fuel pipe.
Clogged fuel strainer
Circuit board malfunction Repair or replace it.
Consult your dealer.
Consult your dealer.
Contact electricians.
Check fuel gauge on fuel
tank; refuel.
Remove the trapped air.
Clean strainer.
Consult your dealer
EXTINGUISHED
AFTER IGNITION E6
E6
E6
E6 Stained photoelectric cell
Trapped air in fuel pipe
Excessive air for combustion
Flame sensor malfunction Clean it.
Remove the trapped air.
Consult your dealer.
Replace it.
NOISE FROM FUEL
PUMP - Air lock in fuel line
Clogged intake line and pump Remove air.
Consult your dealer.
NOISY
COMBUSTION
- Fuel flow too much
Fuel flow too little
Improper installation of Exhaust
Pipe Consult your dealer.
Consult your dealer.
Consult your dealer.
HOT WATER TEMP
TOO LOW - Thermistor malfunction Consult your dealer.
While in operation
SOOT
ACCUMULATION - Dusty blower motor fan
Improper installation of flue pipe
Fuel flow too much Consult your dealer.
Re-install properly.
Consult your dealer.
DOES NOT HEAT - Power switch of remote
controller is not pressed
Leakage from circulation part
Insufficient removing air Press Power switch.
Consult your dealer.
Consult your dealer.
FUEL LEAKAGE
FROM FUEL PIPE - Loose connection of fuel pipes Consult your dealer.
After s
top
WATER LEAKAGE
- Water leakage from heat
exchanger (Heat exchanger
malfunction) Consult your dealer.