Page 18
Page 19
Symptoms
Possible Cause
Remedy
No boiling water
available
Broken tap top
Normal level sensor
holding signal
Element(s) cut-out tripped
Elements failed
Replace tap top (or component)
De-scale / Clean / Dry
See “Important” note page 14
Replace elements
Steam ejected
from overflow
Excessive internal scale.
Faulty wiring to thermistors /
faulty thermistors
Temperature controller needs
adjusting
Element(s) failed to earth
Defective Printed Circuit Board
& / or Triac
De-scale the boiler
(Particularly thermistor)
Repair / replace as required
Lower operating temperature
Replace element(s)
Replace Circuit Board & Triac
(Sold as a matched pair)
Overflows
Dirt in solenoid valve.
Level sensors require de-
scaling or replacing
Printed circuit board faulty
Clean solenoid filter and “work
the boiler” or replace the solenoid
-see Service Instructions .
De-scale / replace sensors
Replace P.C.B
BASIC TROUBLE SHOOTING
PI
N
K
BR
O
WN
OR
A
NG
E
WH
ITE
BLACK 0.75mm (2092)
GREY 0.75mm (2114)
NL
Y/
G
2
.5
mm (
206
3)
Y/
G
2
.5
mm
(
2
14
7
)
CO
L
D W
AT
ER
IN
L
ET
SO
L
EN
O
ID
V
AL
VE
Lef
t
EL
E
M
EN
T
wi
th
TH
E
R
M
AL
C
U
TO
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T
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NO
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M
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W
LE
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EL
SEN
SO
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TH
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R
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IS
T
OR
EA
R
TH
ON
BO
D
Y
EAR
T
H O
N
WR
A
PP
ER
BLUE 0.75mm (2072)
0.
7
5m
m
YEL
L
O
W (
210
4)
A2
(H
E
AT
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)
S
M
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L
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GA
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TH
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T
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0.
75
mm
(
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6
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RE
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BL
U
E
WH
ITE
SH
EAT
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LI
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PPER
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LE
D
WHITE 1.5mm (2011)
BLACK 1.5mm (2067)
L
N
PI
N
K 1
.5
m
m (
2117
)
RED 1.5mm (2120)
PINK 1.5mm (2090)
BLUE 4mm (2021)
BLACK 4mm (2148)
BLUE 1.5mm (2158)
ORANGE 1.5mm (2020)
RED 1.5mm (2068)
RED 1.5mm (2068)
Y/G 2.5mm (2053)
Y/G 2.5mm (2053)
Y/
G
2
.5
mm
(
2
00
9)
Y/
G
2
.5
mm (
2046
)
PINK 0.75mm (2087)
BROWN 0.75mm (2088)
OR
A
NG
E
0.
75
mm
(
2
0
8
9)
WHITE 0.75mm (2105)
PI
N
K 1
.5
m
m (
21
1
7)
BLUE 1.5mm (2158)
BR
O
WN
0.
7
5m
m
(2
1
59)
12&211(&7,21
ORANGE 1.5mm (2020)
,
2
32
:
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+
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25&
$6
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Element thermal cutout.
The Cascade 6TC boiler has an in built thermal cutout device to protect the
element in a boil dry situation. Should the cutout be activated, contact an approved
Calomax service provider for advice.
