Shizuoka Seiki KBE5L, Руководство по обслуживанию

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VAL6 KBE5S & KBE5L Trouble Shooting
No. Possible Cause How to check Result Remedy
1 Drain packing and/or
bolt is defective Remove fuel from tank
and take out a drain bolt.
Then check whether the
packing and bolt are
damaged Fuel leaks because of
broken packing and/or
bolt Replace a drain
packing and/or bolt
2
Too much fuel in the
tank Check the fuel level Drain excess fuel
3 Transformer coil is
short-circuited Disconnect transformer
connector (CN 7) from
circuit board, then
measure coil resistance
values of two leads If either lead shows
∞
Ω ,
the transformer is short-
circuited
Replace a
transformer
・
Without circuit tester
Disconnect transformer
connector (CN 7) from
circuit board, then put
plug into AC outlet If the fuse is intact, the
transformer is short-
circuited Replace a
transformer
4 Surge absorber(SA1)
on control board is
short-circuited Measure resistance at
surge absorber (SA1) If resistance value is
∞
Ω , surge absorber is
short-circuited
Replace a circuit
board (burner
control)
Fuel is leaking
Fuse blows out
At the time of pluging into the power supply
Standard: about 350 Ω (white-red)
Standard: about 9
Ω
(purple-purple)
SA1
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