Calomax KUDOS Installation, Operation And Servicing Instructions - page 12
Page 20
Page 21
BASIC TROUBLE SHOOTING
Symptoms
Possible Cause
Remedy
No boiling water
available
Broken tap top
Normal level sensor
holding signal
Thermal cut-out
tripped (no light)
Element failed
Replace tap top (or component)
De-scale
Reset and check for faults
Replace element
Thermal cut-out
trips regularly
Excessive internal scale. (See
‘De-Scale’ page 12)
Faulty wiring to thermistors /
faulty thermistors
Temperature controller needs
adjusting
Element failed to earth
Defective Printed Circuit Board
De-scale the boiler
(Particularly thermistors)
Repair / replace as required
Lower operating temperature
Replace element
Replace Circuit Board
Over ows
Dirt in solenoid valve.
Level sensors require de-
scaling or replacing
Printed circuit board faulty
Clean solenoid lter / or replace
solenoid, “work the boiler” -see
Service Instructions (page 12).
De-scale / replace sensors
Replace P.C.B
W
irin
g
S
ch
em
a
tic
to
su
it
K
ud
os
,K
ud
os
-3
&
K
ud
os
-3
/D
F
W
a
te
r
B
oil
er
s
R
E
D
Y
E
LL
O
W
B
LA
C
K
B
LU
E
P
IN
K
B
R
O
W
N
O
R
A
N
G
E
N
O
C
O
N
N
E
C
TIO
N
B
LA
C
K
R
E
D
Y
E
LL
O
W
W
H
IT
E
B
L
A
C
K
B
LA
C
K
R
E
D
N
L
BLUE
L
N
BLACK
YELLOW / GREEN
Y
E
LL
O
W
/G
R
E
E
N
RED
RED
C
O
LD
W
A
T
E
R
IN
LE
T
S
O
LE
N
O
ID
V
A
LV
E
E
L
E
M
E
N
T
T
R
IA
C
P
C
B
H
IG
H
N
O
R
M
A
L
T
A
N
K
S
E
N
S
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LE
V
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L
S
E
N
S
IN
G
P
IP
E
H
E
A
T
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R
LE
D
S
O
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N
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ID
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D
B
O
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T
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M
IS
T
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T
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A
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C
U
T
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U
T
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A
R
T
H
O
N
IN
T
E
R
N
A
L
P
A
N
E
L
E
A
R
T
H
O
N
B
O
D
Y
W
H
IT
E
T
R
U
N
K
IN
G
IT
IS
R
E
C
O
M
M
E
N
D
E
D
T
H
A
T
T
H
IS
M
A
C
H
IN
E
IS
P
LU
G
G
E
D
IN
T
O
A
S
O
C
K
E
T
P
R
O
T
E
C
T
E
D
B
Y
A
N
R
C
D
D
E
V
IC
E
H
A
V
IN
G
A
R
A
T
E
D
R
E
S
ID
U
A
L
O
P
E
R
A
T
IN
G
C
U
R
R
E
N
T
N
O
T
E
X
C
E
E
D
IN
G
30
m
A
LIG
H
T
P
C
B
(D
U
A
L
O
N
K
U
D
O
S
-3
/D
F
)
(T
R
A
N
S
P
A
R
E
N
T
LIG
H
T
U
P
P
E
R
-M
O
S
T
IN
F
A
S
C
IA
)
T
O
P
T
H
E
R
M
IS
T
O
R
NO
CONNECTION
BLUE
BLUE
BLUE