59
TROUBLESHOOTING
Trouble
Cause
Vacuum
pr
essur
e def
ecti
ve
Ai
r leaki
ng
Wa
te
r su
ction
fa
ilu
re
Insufficie
nt
,w
ater
di
schar
ge
Floodlight
, Ga
ug
e lam
p, d
o n
ot wor
k
Action
C
aused
by suc
tio
n
C
aused
by P
um
p u
nit
C
aused
by Pl
aypi
pe
C
aused
by Engi
ne u
nit
El
ectr
ical
Spark plug cap
comes off
●
Plug in surely.
Use of unspecified
spark plug
●
Replace with specified
spark plug.
Spark plug fouling
(No spark or weak
spark)
●
Clean or replace with
specified spark plug.
Battery loose
connection, terminal
corrosion or expired
●
Clean terminal and/or
tighten a terminal screw.
Replace if necessary
Battery charger
defective
Check 5A fuse and/or
Battery charger.
Replace
if necessary
15
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
14
15
16
17
18
13
14
15
16
17
18