Shizuoka Seiki VAL6 KBE5S, Руководство по обслуживанию

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VAL6 KBE5S Trouble Shooting
Possible Cause How to check Result Remedy Reference
Phenomenon
9
．
Fuse blows
out
When the
plug is put
into the
outlet.
Short circuit of
transformer coil Unplug transformer
connector (CN 7) from
burner controller, then
measure coil resistance
values of two leads If either of the values is
0
Ω , transformer is short-
circuited
Replace a
transformer
Standard: about 350 Ω
(white-red)
Standard: about 9
Ω
(purple-purple)
・
Without tester
Unplug transformer
connector (CN 7) from
burner controller, then
put plug into AC outlet If fuse doesn't blow out,
transformer is short-
circuited Replace
transformer
When the
switch is
turned on.
Short circuit of fan
coil Unplug fan connector
(CN 3) from burner
controller, then measure
resistance between
terminals If resistance value is 0 Ω ,
fan coil is short-circuited
Replace fan
・ Without tester
Unplug fan connector
(CN 3), and then start
operation If fuse doesn't blow out,
fan coil is short-circuited Replace fan
10